2.1.6 Problems not solved. Higher order only

Table 2.11: Problems not solved. Higher order only. [243]

#

ID

ODE

CAS classification

Maple

Mma

Sympy

time(sec)

\(1\)

1463

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} t \left (t -1\right ) y^{\prime \prime \prime \prime }+{\mathrm e}^{t} y^{\prime \prime }+4 t^{2} y&=0 \end {array} \]

[[_high_order, _with_linear_symmetries]]

0.059

\(2\)

1469

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} t y^{\prime \prime \prime }+2 y^{\prime \prime }-y^{\prime }+t y&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.053

\(3\)

1470

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} \left (2-t \right ) y^{\prime \prime \prime }+\left (2 t -3\right ) y^{\prime \prime }-y^{\prime } t +y&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.058

\(4\)

1471

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} t^{2} \left (t +3\right ) y^{\prime \prime \prime }-3 t \left (t +2\right ) y^{\prime \prime }+6 \left (1+t \right ) y^{\prime }-6 y&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.059

\(5\)

3497

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} 2 y y^{\prime \prime \prime }+2 \left (y+3 y^{\prime }\right ) y^{\prime \prime }+2 {y^{\prime }}^{2}&=\sin \left (x \right ) \end {array} \]

[[_3rd_order, _exact, _nonlinear]]

0.035

\(6\)

6608

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime \prime }&=y x \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.027

\(7\)

6620

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y+2 y^{\prime } x +y^{\prime \prime \prime }&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.033

\(8\)

6621

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} a y+2 a x y^{\prime }+y^{\prime \prime \prime }&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.035

\(9\)

6622

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y f^{\prime }\left (x \right )+2 f \left (x \right ) y^{\prime }+y^{\prime \prime \prime }&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.046

\(10\)

6660

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} -8 a x y-2 \left (-4 x^{2}-2 a +1\right ) y^{\prime }-6 y^{\prime \prime } x +y^{\prime \prime \prime }&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.055

\(11\)

6661

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} a^{3} x^{3} y+3 a^{2} x^{2} y^{\prime }+3 a x y^{\prime \prime }+y^{\prime \prime \prime }&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.046

\(12\)

6662

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} -2 y+2 y^{\prime } x -x^{2} y^{\prime \prime }+y^{\prime \prime \prime }&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.039

\(13\)

6663

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} -y^{\prime }+\left (2 \cot \left (x \right )+\csc \left (x \right )\right ) y^{\prime \prime }+y^{\prime \prime \prime }&=\cot \left (x \right ) \end {array} \]

[[_3rd_order, _missing_y]]

3.711

\(14\)

6665

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} 2 y \left (2 f \left (x \right ) g \left (x \right )+g^{\prime }\left (x \right )\right )+\left (4 g \left (x \right )+f^{\prime }\left (x \right )+2 {f^{\prime }\left (x \right )}^{2}\right ) y^{\prime }+3 f \left (x \right ) y^{\prime \prime }+y^{\prime \prime \prime }&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.068

\(15\)

6666

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} f \left (x \right ) y+y^{\prime }+f \left (x \right ) y^{\prime \prime }+y^{\prime \prime \prime }&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.043

\(16\)

6671

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y x +3 y^{\prime }+x y^{\prime \prime \prime }&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.036

\(17\)

6672

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} -y+y^{\prime } x -y^{\prime \prime }+x y^{\prime \prime \prime }&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.040

\(18\)

6673

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y-y^{\prime } x -y^{\prime \prime }+x y^{\prime \prime \prime }&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.041

\(19\)

6674

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y-y^{\prime } x -y^{\prime \prime }+x y^{\prime \prime \prime }&=-x^{2}+1 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.044

\(20\)

6675

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} -x^{2} y+3 y^{\prime \prime }+x y^{\prime \prime \prime }&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.035

\(21\)

6678

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} a \,x^{2} y-6 y^{\prime }+x^{2} y^{\prime \prime \prime }&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.040

\(22\)

6680

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} 3 y x +\left (x^{2}+2\right ) y^{\prime }+4 y^{\prime \prime } x +x^{2} y^{\prime \prime \prime }&=f \left (x \right ) \end {array} \]

[[_3rd_order, _linear, _nonhomogeneous]]

0.048

\(23\)

6683

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} a \,x^{2} y+6 y^{\prime }+6 y^{\prime \prime } x +x^{2} y^{\prime \prime \prime }&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.045

\(24\)

6685

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} 2 x^{3} y+\left (-2 x^{3}+6\right ) y^{\prime }+x \left (-x^{2}+6\right ) y^{\prime \prime }+x^{2} y^{\prime \prime \prime }&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.049

\(25\)

6686

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} 10 y^{\prime }+8 y^{\prime } x +\left (x^{2}+1\right ) y^{\prime \prime \prime }&=0 \end {array} \]

[[_3rd_order, _missing_y]]

0.618

\(26\)

6687

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} -2 y x +\left (x^{2}+2\right ) y^{\prime }-2 y^{\prime \prime } x +\left (x^{2}+2\right ) y^{\prime \prime \prime }&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.040

\(27\)

6688

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} -2 y+2 y^{\prime } x -x^{2} y^{\prime \prime }+\left (x^{2}-2 x +2\right ) y^{\prime \prime \prime }&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.043

\(28\)

6691

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y+y^{\prime } x +\left (\operatorname {b1} x +\operatorname {a1} \right ) y^{\prime \prime }+x \left (\operatorname {b0} x +\operatorname {a0} \right ) y^{\prime \prime \prime }&=f \left (x \right ) \end {array} \]

[[_3rd_order, _exact, _linear, _nonhomogeneous]]

2.645

\(29\)

6706

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} -2 \left (x^{2}+4\right ) y+x \left (x^{2}+8\right ) y^{\prime }-4 x^{2} y^{\prime \prime }+x^{3} y^{\prime \prime \prime }&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.044

\(30\)

6708

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} -y+2 y^{\prime } x +x^{2} \ln \left (x \right ) y^{\prime \prime }+x^{3} y^{\prime \prime \prime }&=2 x^{3} \end {array} \]

[[_3rd_order, _linear, _nonhomogeneous]]

1.515

\(31\)

6710

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} -12 y+3 \left (2 x^{2}+1\right ) y^{\prime \prime }+x \left (x^{2}+1\right ) y^{\prime \prime \prime }&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.041

\(32\)

6713

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} -8 y+3 \left (x +1\right ) y^{\prime }+\left (x +1\right )^{2} y^{\prime \prime }+\left (x +1\right )^{3} y^{\prime \prime \prime }&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.042

\(33\)

6714

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} -6 y+6 \left (x +1\right ) y^{\prime }-3 x \left (2+x \right ) y^{\prime \prime }+x^{2} \left (3+y\right ) y^{\prime \prime \prime }&=0 \end {array} \]

[NONE]

0.043

\(34\)

6716

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} 2 y+\left (1-2 x \right ) y^{\prime }+\left (1-2 x \right )^{3} y^{\prime \prime \prime }&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.040

\(35\)

6720

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} -4 \left (1+3 x \right ) y+2 x \left (2+5 x \right ) y^{\prime }-2 x^{2} \left (2 x +1\right ) y^{\prime \prime }+x^{3} \left (x +1\right ) y^{\prime \prime \prime }&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.049

\(36\)

6722

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} -4 \left (3 x^{2}+1\right ) y+2 x \left (5 x^{2}+2\right ) y^{\prime }-2 x^{2} \left (2 x^{2}+1\right ) y^{\prime \prime }+x^{3} \left (x^{2}+1\right ) y^{\prime \prime \prime }&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.049

\(37\)

6723

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} \left (a -x \right )^{3} \left (b -x \right )^{3} y^{\prime \prime \prime }&=c y \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.048

\(38\)

6747

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} 10 f^{\prime }\left (x \right ) y^{\prime }+3 y \left (3 f \left (x \right )^{2}+f^{\prime \prime }\left (x \right )\right )+10 f \left (x \right ) y^{\prime \prime }+y^{\prime \prime \prime \prime }&=0 \end {array} \]

[[_high_order, _with_linear_symmetries]]

0.069

\(39\)

6750

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{2}-2 y^{\prime \prime \prime }+y^{\prime \prime \prime \prime }&=0 \end {array} \]

[[_high_order, _missing_x], [_high_order, _with_linear_symmetries]]

0.037

\(40\)

6751

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{2}-2 y^{\prime \prime \prime }+y^{\prime \prime \prime \prime }&=x^{3} \end {array} \]

[NONE]

0.040

\(41\)

6759

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} a^{4} x^{4} y+4 a^{3} x^{3} y^{\prime }+6 a^{2} x^{2} y^{\prime \prime }+4 a x y^{\prime \prime \prime }+y^{\prime \prime \prime \prime }&=0 \end {array} \]

[[_high_order, _with_linear_symmetries]]

0.059

\(42\)

6769

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} -a^{2} y+12 y^{\prime \prime }+8 x y^{\prime \prime \prime }+x^{2} y^{\prime \prime \prime \prime }&=0 \end {array} \]

[[_high_order, _with_linear_symmetries]]

0.043

\(43\)

6771

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} -c^{4} y+16 \left (1+a -b \right ) \left (2+a -b \right ) y^{\prime \prime }+32 \left (2+a -b \right ) x y^{\prime \prime \prime }+16 x^{2} y^{\prime \prime \prime \prime }&=0 \end {array} \]

[[_high_order, _with_linear_symmetries]]

0.055

\(44\)

6772

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} -a^{4} x^{3} y-y^{\prime \prime } x +2 x^{2} y^{\prime \prime \prime }+x^{3} y^{\prime \prime \prime \prime }&=0 \end {array} \]

[[_high_order, _with_linear_symmetries]]

0.047

\(45\)

6774

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} -k y-\left (-a b c +x \right ) y^{\prime }+\left (a b +a c +b c +a +b +c +1\right ) x y^{\prime \prime }+\left (3+a +b +c \right ) x^{2} y^{\prime \prime \prime }+x^{3} y^{\prime \prime \prime \prime }&=0 \end {array} \]

[[_high_order, _with_linear_symmetries]]

0.057

\(46\)

6780

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} -b^{4} x^{\frac {2}{a}} y+16 \left (-2 a +1\right ) \left (1-a \right ) a^{2} x^{2} y^{\prime \prime }-32 \left (-2 a +1\right ) a^{2} x^{3} y^{\prime \prime \prime }+16 a^{4} x^{4} y^{\prime \prime \prime \prime }&=0 \end {array} \]

[[_high_order, _with_linear_symmetries]]

0.094

\(47\)

6791

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} -y y^{\prime }+{y^{\prime }}^{2}+y^{\prime \prime \prime }&=0 \end {array} \]

[[_3rd_order, _missing_x], [_3rd_order, _with_linear_symmetries]]

0.038

\(48\)

6792

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} a y y^{\prime \prime }+y^{\prime \prime \prime }&=0 \end {array} \]

[[_3rd_order, _missing_x], [_3rd_order, _with_linear_symmetries]]

0.032

\(49\)

6793

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{2}-\left (1-2 y x \right ) y^{\prime }+y^{\prime \prime } x +x^{2} y^{\prime \prime \prime }&=f \left (x \right ) \end {array} \]

[[_3rd_order, _exact, _nonlinear]]

0.045

\(50\)

6794

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} \left (1-y\right ) y^{\prime }+x {y^{\prime }}^{2}-x \left (1-y\right ) y^{\prime \prime }+x^{2} y^{\prime \prime \prime }&=0 \end {array} \]

[[_3rd_order, _exact, _nonlinear], [_3rd_order, _with_linear_symmetries], [_3rd_order, _reducible, _mu_y2]]

0.047

\(51\)

6795

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{3} y^{\prime }-y^{\prime } y^{\prime \prime }+y y^{\prime \prime \prime }&=0 \end {array} \]

[[_3rd_order, _missing_x], [_3rd_order, _exact, _nonlinear], [_3rd_order, _with_linear_symmetries]]

0.039

\(52\)

6796

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} 3 y^{\prime } y^{\prime \prime }+\left (a +y\right ) y^{\prime \prime \prime }&=0 \end {array} \]

[[_3rd_order, _missing_x], [_3rd_order, _exact, _nonlinear], [_3rd_order, _with_linear_symmetries], [_3rd_order, _reducible, _mu_y2], [_3rd_order, _reducible, _mu_poly_yn]]

0.037

\(53\)

6797

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} 3 y^{2}+18 y y^{\prime } x +9 x^{2} {y^{\prime }}^{2}+9 x^{2} y y^{\prime \prime }+3 x^{3} y^{\prime } y^{\prime \prime }+x^{3} y y^{\prime \prime \prime }&=0 \end {array} \]

[[_3rd_order, _exact, _nonlinear], [_3rd_order, _with_linear_symmetries]]

0.053

\(54\)

6798

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} 2 {y^{\prime }}^{3}+3 y^{\prime \prime }+6 y y^{\prime } y^{\prime \prime }+\left (x +y^{2}\right ) y^{\prime \prime \prime }&=0 \end {array} \]

[[_3rd_order, _exact, _nonlinear], [_3rd_order, _with_linear_symmetries]]

0.049

\(55\)

6799

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} 15 {y^{\prime }}^{3}-18 y y^{\prime } y^{\prime \prime }+4 y^{2} y^{\prime \prime \prime }&=0 \end {array} \]

[[_3rd_order, _missing_x], [_3rd_order, _with_linear_symmetries]]

0.042

\(56\)

6800

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} 40 {y^{\prime }}^{3}-45 y y^{\prime } y^{\prime \prime }+9 y^{2} y^{\prime \prime \prime }&=0 \end {array} \]

[[_3rd_order, _missing_x], [_3rd_order, _with_linear_symmetries]]

0.041

\(57\)

6805

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} \left (1+{y^{\prime }}^{2}\right ) y^{\prime \prime \prime }&=\left (a +3 y^{\prime }\right ) {y^{\prime \prime }}^{2} \end {array} \]

[[_3rd_order, _missing_x], [_3rd_order, _missing_y], [_3rd_order, _with_linear_symmetries], [_3rd_order, _reducible, _mu_y2], [_3rd_order, _reducible, _mu_poly_yn]]

10.522

\(58\)

6813

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} 40 {y^{\prime \prime \prime }}^{3}-45 y^{\prime \prime } y^{\prime \prime \prime } y^{\prime \prime \prime \prime }+9 {y^{\prime \prime }}^{2} y^{\left (5\right )}&=0 \end {array} \]

[[_high_order, _missing_x], [_high_order, _missing_y], [_high_order, _with_linear_symmetries]]

0.147

\(59\)

8054

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} \left (2 x -3\right ) y^{\prime \prime \prime }-\left (6 x -7\right ) y^{\prime \prime }+4 y^{\prime } x -4 y&=8 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.043

\(60\)

8058

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} \left (1+2 y+3 y^{2}\right ) y^{\prime \prime \prime }+6 y^{\prime } \left (y^{\prime \prime }+{y^{\prime }}^{2}+3 y y^{\prime \prime }\right )&=x \end {array} \]

[[_3rd_order, _exact, _nonlinear]]

0.053

\(61\)

8059

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} 3 x \left (y^{2} y^{\prime \prime \prime }+6 y y^{\prime } y^{\prime \prime }+2 {y^{\prime }}^{3}\right )-3 y \left (y y^{\prime \prime }+2 {y^{\prime }}^{2}\right )&=-\frac {2}{x} \end {array} \]

[[_3rd_order, _exact, _nonlinear], [_3rd_order, _with_linear_symmetries]]

0.059

\(62\)

8060

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y y^{\prime \prime \prime }+3 y^{\prime } y^{\prime \prime }-2 y y^{\prime \prime }-2 {y^{\prime }}^{2}+y y^{\prime }&={\mathrm e}^{2 x} \end {array} \]

[[_3rd_order, _exact, _nonlinear], [_3rd_order, _with_linear_symmetries]]

0.065

\(63\)

8152

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x y^{\prime \prime \prime }-{y^{\prime }}^{4}+y&=0 \end {array} \]

[NONE]

0.033

\(64\)

8153

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} t^{5} y^{\prime \prime \prime \prime }-t^{3} y^{\prime \prime }+6 y&=0 \end {array} \]

[[_high_order, _with_linear_symmetries]]

0.046

\(65\)

8760

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime \prime }-2 y^{\prime \prime } x +4 x^{2} y^{\prime }+8 x^{3} y&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.046

\(66\)

8970

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime \prime }-y x&=0\\ y \left (0\right )&=1\\ y^{\prime }\left (0\right )&=0\\ y^{\prime \prime }\left (0\right )&=0\\ \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.046

\(67\)

10132

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime \prime }-x^{3} y^{\prime }-x^{2} y-x^{3}&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.039

\(68\)

10458

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime \prime }-y x&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.033

\(69\)

12709

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime \prime }+y a \,x^{3}-b x&=0 \end {array} \]

[[_3rd_order, _linear, _nonhomogeneous]]

0.061

\(70\)

12710

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime \prime }-a \,x^{b} y&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.060

\(71\)

12713

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} a y+2 a x y^{\prime }+y^{\prime \prime \prime }&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.057

\(72\)

12714

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime \prime }-x^{2} y^{\prime \prime }+\left (a +b -1\right ) x y^{\prime }-a b y&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.076

\(73\)

12715

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime \prime }+x^{2 c -2} y^{\prime }+\left (c -1\right ) x^{2 c -3} y&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.125

\(74\)

12716

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime \prime }-\left (6 k^{2} \sin \left (x \right )^{2}+a \right ) y^{\prime }+b y&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.076

\(75\)

12717

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y f^{\prime }\left (x \right )+2 f \left (x \right ) y^{\prime }+y^{\prime \prime \prime }&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.075

\(76\)

12722

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime \prime }-6 y^{\prime \prime } x +2 \left (4 x^{2}+2 a -1\right ) y^{\prime }-8 a x y&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.072

\(77\)

12723

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} a^{3} x^{3} y+3 a^{2} x^{2} y^{\prime }+3 a x y^{\prime \prime }+y^{\prime \prime \prime }&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.076

\(78\)

12725

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} f \left (x \right ) y+y^{\prime }+f \left (x \right ) y^{\prime \prime }+y^{\prime \prime \prime }&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.066

\(79\)

12726

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime \prime }+f \left (x \right ) \left (x^{2} y^{\prime \prime }-2 y^{\prime } x +2 y\right )&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.074

\(80\)

12728

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x y^{\prime \prime \prime }+3 y^{\prime \prime }+y x&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.059

\(81\)

12729

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x y^{\prime \prime \prime }+3 y^{\prime \prime }-a \,x^{2} y&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.062

\(82\)

12730

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x y^{\prime \prime \prime }+\left (a +b \right ) y^{\prime \prime }-y^{\prime } x -a y&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.065

\(83\)

12731

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x y^{\prime \prime \prime }-\left (x +2 v \right ) y^{\prime \prime }-\left (x -2 v -1\right ) y^{\prime }+\left (-1+x \right ) y&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.066

\(84\)

12733

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} 2 x y^{\prime \prime \prime }+3 y^{\prime \prime }+a x y-b&=0 \end {array} \]

[[_3rd_order, _linear, _nonhomogeneous]]

0.060

\(85\)

12734

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} 2 x y^{\prime \prime \prime }-4 \left (x +\nu -1\right ) y^{\prime \prime }+\left (2 x +6 \nu -5\right ) y^{\prime }+\left (1-2 \nu \right ) y&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.076

\(86\)

12735

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} 2 x y^{\prime \prime \prime }+3 \left (2 a x +k \right ) y^{\prime \prime }+6 \left (a k +b x \right ) y^{\prime }+\left (3 b k +2 c x \right ) y&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.079

\(87\)

12737

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} \left (2 x -1\right ) y^{\prime \prime \prime }-8 y^{\prime } x +8 y&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.060

\(88\)

12739

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} a \,x^{2} y-6 y^{\prime }+x^{2} y^{\prime \prime \prime }&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.062

\(89\)

12740

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x^{2} y^{\prime \prime \prime }+\left (x +1\right ) y^{\prime \prime }-y&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.060

\(90\)

12743

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x^{2} y^{\prime \prime \prime }-3 \left (x -m \right ) x y^{\prime \prime }+\left (2 x^{2}+4 \left (n -m \right ) x +m \left (2 m -1\right )\right ) y^{\prime }-2 n \left (2 x -2 m +1\right ) y&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.097

\(91\)

12744

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x^{2} y^{\prime \prime \prime }+4 y^{\prime \prime } x +\left (x^{2}+2\right ) y^{\prime }+3 y x -f \left (x \right )&=0 \end {array} \]

[[_3rd_order, _linear, _nonhomogeneous]]

0.069

\(92\)

12747

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} a \,x^{2} y+6 y^{\prime }+6 y^{\prime \prime } x +x^{2} y^{\prime \prime \prime }&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.066

\(93\)

12748

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x^{2} y^{\prime \prime \prime }-3 \left (p +q \right ) x y^{\prime \prime }+3 p \left (3 q +1\right ) y^{\prime }-x^{2} y&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.066

\(94\)

12749

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x^{2} y^{\prime \prime \prime }-2 \left (n +1\right ) x y^{\prime \prime }+\left (a \,x^{2}+6 n \right ) y^{\prime }-2 a x y&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.074

\(95\)

12750

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x^{2} y^{\prime \prime \prime }-\left (x^{2}-2 x \right ) y^{\prime \prime }-\left (x^{2}+\nu ^{2}-\frac {1}{4}\right ) y^{\prime }+\left (x^{2}-2 x +\nu ^{2}-\frac {1}{4}\right ) y&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.076

\(96\)

12751

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x^{2} y^{\prime \prime \prime }-\left (x +\nu \right ) x y^{\prime \prime }+\nu \left (2 x +1\right ) y^{\prime }-\nu \left (x +1\right ) y&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.077

\(97\)

12752

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x^{2} y^{\prime \prime \prime }-2 \left (x^{2}-x \right ) y^{\prime \prime }+\left (x^{2}-2 x +\frac {1}{4}-\nu ^{2}\right ) y^{\prime }+\left (\nu ^{2}-\frac {1}{4}\right ) y&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.074

\(98\)

12753

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x^{2} y^{\prime \prime \prime }-\left (x^{4}-6 x \right ) y^{\prime \prime }-\left (2 x^{3}-6\right ) y^{\prime }+2 x^{2} y&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.068

\(99\)

12755

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} -2 y x +\left (x^{2}+2\right ) y^{\prime }-2 y^{\prime \prime } x +\left (x^{2}+2\right ) y^{\prime \prime \prime }&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.065

\(100\)

12756

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} 2 x \left (-1+x \right ) y^{\prime \prime \prime }+3 \left (2 x -1\right ) y^{\prime \prime }+\left (2 a x +b \right ) y^{\prime }+a y&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.070

\(101\)

12757

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x^{3} y^{\prime \prime \prime }+\left (-\nu ^{2}+1\right ) x y^{\prime }+\left (a \,x^{3}+\nu ^{2}-1\right ) y&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.070

\(102\)

12758

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x^{3} y^{\prime \prime \prime }+\left (4 x^{3}+\left (-4 \nu ^{2}+1\right ) x \right ) y^{\prime }+\left (4 \nu ^{2}-1\right ) y&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.067

\(103\)

12759

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x^{3} y^{\prime \prime \prime }+\left (a \,x^{2 \nu }+1-\nu ^{2}\right ) x y^{\prime }+\left (b \,x^{3 \nu }+a \left (\nu -1\right ) x^{2 \nu }+\nu ^{2}-1\right ) y&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.163

\(104\)

12762

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} -2 \left (x^{2}+4\right ) y+x \left (x^{2}+8\right ) y^{\prime }-4 x^{2} y^{\prime \prime }+x^{3} y^{\prime \prime \prime }&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.072

\(105\)

12764

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x^{3} y^{\prime \prime \prime }+3 \left (1-a \right ) x^{2} y^{\prime \prime }+\left (4 b^{2} c^{2} x^{2 c +1}+1-4 \nu ^{2} c^{2}+3 a \left (-1+a \right ) x \right ) y^{\prime }+\left (4 b^{2} c^{2} \left (c -a \right ) x^{2 c}+a \left (4 \nu ^{2} c^{2}-a^{2}\right )\right ) y&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.099

\(106\)

12765

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x^{3} y^{\prime \prime \prime }+\left (x +3\right ) x^{2} y^{\prime \prime }+5 \left (x -6\right ) x y^{\prime }+\left (4 x +30\right ) y&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.069

\(107\)

12767

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} -12 y+3 \left (2 x^{2}+1\right ) y^{\prime \prime }+x \left (x^{2}+1\right ) y^{\prime \prime \prime }&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.063

\(108\)

12768

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} \left (x +3\right ) x^{2} y^{\prime \prime \prime }-3 x \left (2+x \right ) y^{\prime \prime }+6 \left (x +1\right ) y^{\prime }-6 y&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.067

\(109\)

12769

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} 2 \left (x -\operatorname {a1} \right ) \left (x -\operatorname {a2} \right ) \left (x -\operatorname {a3} \right ) y^{\prime \prime \prime }+\left (9 x^{2}-6 \left (\operatorname {a1} +\operatorname {a2} +\operatorname {a3} \right ) x +3 \operatorname {a1} \operatorname {a2} +3 \operatorname {a3} \operatorname {a1} +3 \operatorname {a2} \operatorname {a3} \right ) y^{\prime \prime }-2 \left (\left (n^{2}+n -3\right ) x +b \right ) y^{\prime }-n \left (n +1\right ) y&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.080

\(110\)

12770

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x^{3} \left (x +1\right ) y^{\prime \prime \prime }-\left (2+4 x \right ) x^{2} y^{\prime \prime }+\left (4+10 x \right ) x y^{\prime }-4 \left (1+3 x \right ) y&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.075

\(111\)

12772

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x^{3} \left (x^{2}+1\right ) y^{\prime \prime \prime }-\left (4 x^{2}+2\right ) x^{2} y^{\prime \prime }+\left (10 x^{2}+4\right ) x y^{\prime }-4 \left (3 x^{2}+1\right ) y&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.076

\(112\)

12773

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x^{6} y^{\prime \prime \prime }+x^{2} y^{\prime \prime }-2 y&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.063

\(113\)

12774

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x^{6} y^{\prime \prime \prime }+6 x^{5} y^{\prime \prime }+a y&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.059

\(114\)

12775

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x^{2} \left (x^{4}+2 x^{2}+2 x +1\right ) y^{\prime \prime \prime }-\left (2 x^{6}+3 x^{4}-6 x^{2}-6 x -1\right ) y^{\prime \prime }+\left (x^{6}-6 x^{3}-15 x^{2}-12 x -2\right ) y^{\prime }+\left (x^{4}+4 x^{3}+8 x^{2}+6 x +1\right ) y&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.083

\(115\)

12776

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} \left (x -a \right )^{3} \left (x -b \right )^{3} y^{\prime \prime \prime }-c y&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.070

\(116\)

12779

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime \prime } \sin \left (x \right )^{2}+3 y^{\prime \prime } \sin \left (x \right ) \cos \left (x \right )+\left (\cos \left (2 x \right )+4 \nu \left (\nu +1\right ) \sin \left (x \right )^{2}\right ) y^{\prime }+2 \nu \left (\nu +1\right ) y \sin \left (2 x \right )&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.091

\(117\)

12780

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime \prime }+y^{\prime } x +n y&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.056

\(118\)

12781

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime \prime }-y^{\prime } x -n y&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.056

\(119\)

12788

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime \prime \prime }+a \left (b x -1\right ) y^{\prime \prime }+a b y^{\prime }+\lambda y&=0 \end {array} \]

[[_high_order, _with_linear_symmetries]]

0.076

\(120\)

12789

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime \prime \prime }+\left (a \,x^{2}+b \lambda +c \right ) y^{\prime \prime }+\left (a \,x^{2}+\beta \lambda +\gamma \right ) y&=0 \end {array} \]

[[_high_order, _with_linear_symmetries]]

0.082

\(121\)

12791

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} a^{4} x^{4} y+4 a^{3} x^{3} y^{\prime }+6 a^{2} x^{2} y^{\prime \prime }+4 a x y^{\prime \prime \prime }+y^{\prime \prime \prime \prime }&=0 \end {array} \]

[[_high_order, _with_linear_symmetries]]

0.099

\(122\)

12794

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime \prime \prime } x -\left (6 x^{2}+1\right ) y^{\prime \prime \prime }+12 x^{3} y^{\prime \prime }-\left (9 x^{2}-7\right ) x^{2} y^{\prime }+2 \left (x^{2}-3\right ) x^{3} y&=0 \end {array} \]

[[_high_order, _with_linear_symmetries]]

0.100

\(123\)

12795

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x^{2} y^{\prime \prime \prime \prime }-2 \left (\nu ^{2} x^{2}+6\right ) y^{\prime \prime }+\nu ^{2} \left (\nu ^{2} x^{2}+4\right ) y&=0 \end {array} \]

[[_high_order, _with_linear_symmetries]]

0.080

\(124\)

12796

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x^{2} y^{\prime \prime \prime \prime }+2 x y^{\prime \prime \prime }+a y-b \,x^{2}&=0 \end {array} \]

[[_high_order, _linear, _nonhomogeneous]]

0.081

\(125\)

12799

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x^{2} y^{\prime \prime \prime \prime }+6 x y^{\prime \prime \prime }+6 y^{\prime \prime }-\lambda ^{2} y&=0 \end {array} \]

[[_high_order, _with_linear_symmetries]]

0.075

\(126\)

12801

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x^{2} y^{\prime \prime \prime \prime }+8 x y^{\prime \prime \prime }+12 y^{\prime \prime }-\lambda ^{2} y&=0 \end {array} \]

[[_high_order, _with_linear_symmetries]]

0.076

\(127\)

12802

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x^{2} y^{\prime \prime \prime \prime }+\left (2 n -2 \nu +4\right ) x y^{\prime \prime \prime }+\left (n -\nu +1\right ) \left (n -\nu +2\right ) y^{\prime \prime }-\frac {b^{4} y}{16}&=0 \end {array} \]

[[_high_order, _with_linear_symmetries]]

0.089

\(128\)

12803

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x^{3} y^{\prime \prime \prime \prime }+2 x^{2} y^{\prime \prime \prime }-y^{\prime \prime } x +y^{\prime }-a^{4} x^{3} y&=0 \end {array} \]

[[_high_order, _with_linear_symmetries]]

0.080

\(129\)

12805

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x^{4} y^{\prime \prime \prime \prime }-2 n \left (n +1\right ) x^{2} y^{\prime \prime }+4 n \left (n +1\right ) x y^{\prime }+\left (a \,x^{4}+n \left (n +1\right ) \left (n +3\right ) \left (-2+n \right )\right ) y&=0 \end {array} \]

[[_high_order, _with_linear_symmetries]]

0.092

\(130\)

12806

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x^{4} y^{\prime \prime \prime \prime }+4 x^{3} y^{\prime \prime \prime }-\left (4 n^{2}-1\right ) x^{2} y^{\prime \prime }+\left (4 n^{2}-1\right ) x y^{\prime }-4 x^{4} y&=0 \end {array} \]

[[_high_order, _with_linear_symmetries]]

0.186

\(131\)

12807

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x^{4} y^{\prime \prime \prime \prime }+4 x^{3} y^{\prime \prime \prime }-\left (4 n^{2}-1\right ) x^{2} y^{\prime \prime }-\left (4 n^{2}-1\right ) x y^{\prime }+\left (-4 x^{4}+4 n^{2}-1\right ) y&=0 \end {array} \]

[[_high_order, _with_linear_symmetries]]

0.089

\(132\)

12808

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x^{4} y^{\prime \prime \prime \prime }+4 x^{3} y^{\prime \prime \prime }-\left (4 n^{2}+3\right ) x^{2} y^{\prime \prime }+\left (12 n^{2}-3\right ) x y^{\prime }-\left (4 x^{4}+12 n^{2}-3\right ) y&=0 \end {array} \]

[[_high_order, _with_linear_symmetries]]

0.095

\(133\)

12809

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x^{4} y^{\prime \prime \prime \prime }+6 x^{3} y^{\prime \prime \prime }+\left (4 x^{4}+\left (-\rho ^{2}-\sigma ^{2}+7\right ) x^{2}\right ) y^{\prime \prime }+\left (16 x^{3}+\left (-\rho ^{2}-\sigma ^{2}+1\right ) x \right ) y^{\prime }+\left (\rho ^{2} \sigma ^{2}+8 x^{2}\right ) y&=0 \end {array} \]

[[_high_order, _with_linear_symmetries]]

0.098

\(134\)

12810

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x^{4} y^{\prime \prime \prime \prime }+6 x^{3} y^{\prime \prime \prime }+\left (4 x^{4}+\left (-2 \mu ^{2}-2 \nu ^{2}+7\right ) x^{2}\right ) y^{\prime \prime }+\left (16 x^{3}+\left (-2 \mu ^{2}-2 \nu ^{2}+1\right ) x \right ) y^{\prime }+\left (8 x^{2}+\left (\mu ^{2}-\nu ^{2}\right )^{2}\right ) y&=0 \end {array} \]

[[_high_order, _with_linear_symmetries]]

0.097

\(135\)

12813

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x^{4} y^{\prime \prime \prime \prime }+\left (6-4 a \right ) x^{3} y^{\prime \prime \prime }+\left (4 b^{2} c^{2} x^{2 c}+6 \left (-1+a \right )^{2}-2 c^{2} \left (\mu ^{2}+\nu ^{2}\right )+1\right ) x^{2} y^{\prime \prime }+\left (4 \left (3 c -2 a +1\right ) b^{2} c^{2} x^{2 c}+\left (2 a -1\right ) \left (2 c^{2} \left (\mu ^{2}+\nu ^{2}\right )-2 a \left (-1+a \right )-1\right )\right ) x y^{\prime }+\left (4 \left (a -c \right ) \left (a -2 c \right ) b^{2} c^{2} x^{2 c}+\left (c \mu +c \nu +a \right ) \left (c \mu +c \nu -a \right ) \left (c \mu -c \nu +a \right ) \left (c \mu -c \nu -a \right )\right ) y&=0 \end {array} \]

[[_high_order, _with_linear_symmetries]]

0.146

\(136\)

12814

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x^{4} y^{\prime \prime \prime \prime }+\left (6-4 a -4 c \right ) x^{3} y^{\prime \prime \prime }+\left (-2 \nu ^{2} c^{2}+2 a^{2}+4 \left (a +c -1\right )^{2}+4 \left (-1+a \right ) \left (c -1\right )-1\right ) x^{2} y^{\prime \prime }+\left (2 \nu ^{2} c^{2}-2 a^{2}-\left (2 a -1\right ) \left (2 c -1\right )\right ) \left (2 a +2 c -1\right ) x y^{\prime }+\left (\left (-\nu ^{2} c^{2}+a^{2}\right ) \left (-\nu ^{2} c^{2}+a^{2}+4 a c +4 c^{2}\right )-b^{4} c^{4} x^{4 c}\right ) y&=0 \end {array} \]

[[_high_order, _with_linear_symmetries]]

0.129

\(137\)

12815

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} \nu ^{4} x^{4} y^{\prime \prime \prime \prime }+\left (4 \nu -2\right ) \nu ^{3} x^{3} y^{\prime \prime \prime }+\left (\nu -1\right ) \left (2 \nu -1\right ) \nu ^{2} x^{2} y^{\prime \prime }-\frac {b^{4} x^{\frac {2}{\nu }} y}{16}&=0 \end {array} \]

[[_high_order, _with_linear_symmetries]]

0.114

\(138\)

12816

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} \left (x^{2}-1\right )^{2} y^{\prime \prime \prime \prime }+10 x \left (x^{2}-1\right ) y^{\prime \prime \prime }+\left (24 x^{2}-8-2 \left (\mu \left (\mu +1\right )+\nu \left (\nu +1\right )\right ) \left (x^{2}-1\right )\right ) y^{\prime \prime }-6 x \left (\mu \left (\mu +1\right )+\nu \left (\nu +1\right )-2\right ) y^{\prime }+\left (\left (\mu \left (\mu +1\right )-\nu \left (\nu +1\right )\right )^{2}-2 \mu \left (\mu +1\right )-2 \nu \left (\nu +1\right )\right ) y&=0 \end {array} \]

[[_high_order, _with_linear_symmetries]]

0.106

\(139\)

12818

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime \prime \prime } \sin \left (x \right )^{4}+2 y^{\prime \prime \prime } \sin \left (x \right )^{3} \cos \left (x \right )+y^{\prime \prime } \sin \left (x \right )^{2} \left (\sin \left (x \right )^{2}-3\right )+y^{\prime } \sin \left (x \right ) \cos \left (x \right ) \left (2 \sin \left (x \right )^{2}+3\right )+\left (a^{4} \sin \left (x \right )^{4}-3\right ) y&=0 \end {array} \]

[[_high_order, _with_linear_symmetries]]

0.114

\(140\)

12819

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime \prime \prime } \sin \left (x \right )^{6}+4 y^{\prime \prime \prime } \sin \left (x \right )^{5} \cos \left (x \right )-6 y^{\prime \prime } \sin \left (x \right )^{6}-4 y^{\prime } \sin \left (x \right )^{5} \cos \left (x \right )+y \sin \left (x \right )^{6}-f&=0 \end {array} \]

[[_high_order, _linear, _nonhomogeneous]]

0.106

\(141\)

12822

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime \prime \prime }-2 a^{2} y^{\prime \prime }+a^{4} y-\lambda \left (a x -b \right ) \left (y^{\prime \prime }-a^{2} y\right )&=0 \end {array} \]

[[_high_order, _with_linear_symmetries]]

0.099

\(142\)

12825

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\left (5\right )}-a x y-b&=0 \end {array} \]

[[_high_order, _linear, _nonhomogeneous]]

0.077

\(143\)

12826

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\left (5\right )}+a \,x^{\nu } y^{\prime }+a \nu \,x^{\nu -1} y&=0 \end {array} \]

[[_high_order, _with_linear_symmetries]]

0.144

\(144\)

12828

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x y^{\left (5\right )}-m n y^{\prime \prime \prime \prime }+a x y&=0 \end {array} \]

[[_high_order, _with_linear_symmetries]]

0.082

\(145\)

12830

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x y^{\left (5\right )}-\left (a A_{1} -A_{0} \right ) x -A_{1} -\left (\left (a A_{2} -A_{1} \right ) x +A_{2} \right ) y^{\prime }&=0 \end {array} \]

[[_high_order, _missing_y]]

0.181

\(146\)

12831

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x^{2} y^{\prime \prime \prime \prime }-a y&=0 \end {array} \]

[[_high_order, _with_linear_symmetries]]

0.068

\(147\)

12832

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x^{10} y^{\left (5\right )}-a y&=0 \end {array} \]

[[_high_order, _with_linear_symmetries]]

0.083

\(148\)

12833

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x^{{5}/{2}} y^{\left (5\right )}-a y&=0 \end {array} \]

[[_high_order, _with_linear_symmetries]]

0.090

\(149\)

12834

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} \left (x -a \right )^{5} \left (x -b \right )^{5} y^{\left (5\right )}-c y&=0 \end {array} \]

[[_high_order, _with_linear_symmetries]]

0.100

\(150\)

13042

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime \prime }+y y^{\prime \prime }-{y^{\prime }}^{2}+1&=0 \end {array} \]

[[_3rd_order, _missing_x], [_3rd_order, _with_linear_symmetries]]

0.060

\(151\)

13043

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime \prime }-y y^{\prime \prime }+{y^{\prime }}^{2}&=0 \end {array} \]

[[_3rd_order, _missing_x], [_3rd_order, _with_linear_symmetries]]

0.062

\(152\)

13044

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} a y y^{\prime \prime }+y^{\prime \prime \prime }&=0 \end {array} \]

[[_3rd_order, _missing_x], [_3rd_order, _with_linear_symmetries]]

0.060

\(153\)

13045

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x^{2} y^{\prime \prime \prime }+y^{\prime \prime } x +\left (2 y x -1\right ) y^{\prime }+y^{2}-f \left (x \right )&=0 \end {array} \]

[[_3rd_order, _exact, _nonlinear]]

0.069

\(154\)

13046

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x^{2} y^{\prime \prime \prime }+x \left (-1+y\right ) y^{\prime \prime }+x {y^{\prime }}^{2}+\left (1-y\right ) y^{\prime }&=0 \end {array} \]

[[_3rd_order, _exact, _nonlinear], [_3rd_order, _with_linear_symmetries], [_3rd_order, _reducible, _mu_y2]]

0.082

\(155\)

13047

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{3} y^{\prime }-y^{\prime } y^{\prime \prime }+y y^{\prime \prime \prime }&=0 \end {array} \]

[[_3rd_order, _missing_x], [_3rd_order, _exact, _nonlinear], [_3rd_order, _with_linear_symmetries]]

0.073

\(156\)

13048

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} 15 {y^{\prime }}^{3}-18 y y^{\prime } y^{\prime \prime }+4 y^{2} y^{\prime \prime \prime }&=0 \end {array} \]

[[_3rd_order, _missing_x], [_3rd_order, _with_linear_symmetries]]

0.072

\(157\)

13049

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} 40 {y^{\prime }}^{3}-45 y y^{\prime } y^{\prime \prime }+9 y^{2} y^{\prime \prime \prime }&=0 \end {array} \]

[[_3rd_order, _missing_x], [_3rd_order, _with_linear_symmetries]]

0.069

\(158\)

13054

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime } y^{\prime \prime \prime \prime }-y^{\prime \prime } y^{\prime \prime \prime }+{y^{\prime }}^{3} y^{\prime \prime \prime }&=0 \end {array} \]

[[_high_order, _missing_x], [_high_order, _missing_y], [_high_order, _with_linear_symmetries]]

0.156

\(159\)

13056

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} 9 {y^{\prime \prime }}^{2} y^{\left (5\right )}-45 y^{\prime \prime } y^{\prime \prime \prime } y^{\prime \prime \prime \prime }+40 y^{\prime \prime \prime }&=0 \end {array} \]

[[_high_order, _missing_x], [_high_order, _missing_y], [_high_order, _with_linear_symmetries]]

0.251

\(160\)

13058

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime \prime }&=f \left (y\right ) \end {array} \]

[[_3rd_order, _missing_x], [_3rd_order, _with_linear_symmetries]]

0.053

\(161\)

14165

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} -2 y+2 y^{\prime } x -x^{2} y^{\prime \prime }+\left (x^{2}-2 x +2\right ) y^{\prime \prime \prime }&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.099

\(162\)

14166

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y-y^{\prime } x -y^{\prime \prime }+x y^{\prime \prime \prime }&=-x^{2}+1 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.102

\(163\)

14171

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} 2 x^{3} y y^{\prime \prime \prime }+6 x^{3} y^{\prime } y^{\prime \prime }+18 x^{2} y y^{\prime \prime }+18 x^{2} {y^{\prime }}^{2}+36 y y^{\prime } x +6 y^{2}&=0 \end {array} \]

[[_3rd_order, _exact, _nonlinear], [_3rd_order, _with_linear_symmetries]]

0.111

\(164\)

14173

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x^{2} y^{\prime \prime \prime }-5 y^{\prime \prime } x +\left (4 x^{4}+5\right ) y^{\prime }-8 x^{3} y&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.106

\(165\)

14832

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} t^{3} x^{\prime \prime \prime }-\left (t +3\right ) t^{2} x^{\prime \prime }+2 t \left (t +3\right ) x^{\prime }-2 \left (t +3\right ) x&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.115

\(166\)

15126

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime \prime }+y x&=\sin \left (x \right ) \end {array} \]

[[_3rd_order, _linear, _nonhomogeneous]]

0.097

\(167\)

15129

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime }+y y^{\prime \prime \prime \prime }&=1 \end {array} \]

[[_high_order, _missing_x], [_high_order, _with_linear_symmetries]]

0.116

\(168\)

15130

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime \prime }+y x&=\cosh \left (x \right ) \end {array} \]

[[_3rd_order, _linear, _nonhomogeneous]]

0.099

\(169\)

15132

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime \prime }+y x&=\cosh \left (x \right ) \end {array} \]

[[_3rd_order, _linear, _nonhomogeneous]]

0.094

\(170\)

15141

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime \prime }+y^{\prime \prime } x -y^{2}&=\sin \left (x \right ) \end {array} \]

[NONE]

0.104

\(171\)

15143

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} \sin \left (y^{\prime \prime }\right )+y y^{\prime \prime \prime \prime }&=1 \end {array} \]

[[_high_order, _missing_x], [_high_order, _with_linear_symmetries]]

0.117

\(172\)

15146

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} {y^{\prime \prime \prime }}^{2}+\sqrt {y}&=\sin \left (x \right ) \end {array} \]

[NONE]

0.097

\(173\)

16444

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y y^{\prime \prime \prime }+6 y^{\prime \prime }+3 y^{\prime }&=y \end {array} \]

[[_3rd_order, _missing_x], [_3rd_order, _with_linear_symmetries]]

0.105

\(174\)

16468

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x^{3} y^{\prime \prime \prime }-4 y^{\prime \prime }+10 y^{\prime }-12 y&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.109

\(175\)

18124

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime \prime }&=3 y y^{\prime }\\ y \left (0\right )&=1\\ y^{\prime }\left (0\right )&=1\\ y^{\prime \prime }\left (0\right )&={\frac {3}{2}}\\ \end {array} \]

[[_3rd_order, _missing_x], [_3rd_order, _exact, _nonlinear], [_3rd_order, _with_linear_symmetries], [_3rd_order, _reducible, _mu_y2]]

0.147

\(176\)

18967

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} t y^{\prime \prime \prime }+\sin \left (t \right ) y^{\prime \prime }+8 y&=\cos \left (t \right ) \end {array} \]

[[_3rd_order, _linear, _nonhomogeneous]]

0.136

\(177\)

18968

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} t \left (t -1\right ) y^{\prime \prime \prime \prime }+{\mathrm e}^{t} y^{\prime \prime }+4 t^{2} y&=0 \end {array} \]

[[_high_order, _with_linear_symmetries]]

0.148

\(178\)

18969

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime \prime }+t y^{\prime \prime }+t^{2} y^{\prime }+t^{2} y&=\ln \left (t \right ) \end {array} \]

[[_3rd_order, _linear, _nonhomogeneous]]

0.149

\(179\)

18970

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} \left (x -4\right ) y^{\prime \prime \prime \prime }+\left (x +1\right ) y^{\prime \prime }+\tan \left (x \right ) y&=0 \end {array} \]

[[_high_order, _with_linear_symmetries]]

0.158

\(180\)

18971

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} \left (x^{2}-2\right ) y^{\left (6\right )}+x^{2} y^{\prime \prime }+3 y&=0 \end {array} \]

[[_high_order, _with_linear_symmetries]]

0.211

\(181\)

18973

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} t y^{\prime \prime \prime }+\sin \left (t \right ) y^{\prime \prime }+4 y&=\cos \left (t \right ) \end {array} \]

[[_3rd_order, _linear, _nonhomogeneous]]

0.119

\(182\)

18974

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} t \left (t -1\right ) y^{\prime \prime \prime \prime }+{\mathrm e}^{t} y^{\prime \prime }+7 t^{2} y&=0 \end {array} \]

[[_high_order, _with_linear_symmetries]]

0.179

\(183\)

18975

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime \prime }+t y^{\prime \prime }+5 t^{2} y^{\prime }+2 t^{3} y&=\ln \left (t \right ) \end {array} \]

[[_3rd_order, _linear, _nonhomogeneous]]

0.144

\(184\)

18976

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} \left (-1+x \right ) y^{\prime \prime \prime \prime }+\left (x +5\right ) y^{\prime \prime }+\tan \left (x \right ) y&=0 \end {array} \]

[[_high_order, _with_linear_symmetries]]

0.141

\(185\)

18977

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} \left (x^{2}-25\right ) y^{\left (6\right )}+x^{2} y^{\prime \prime }+5 y&=0 \end {array} \]

[[_high_order, _with_linear_symmetries]]

0.192

\(186\)

19161

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} 40 {y^{\prime \prime \prime }}^{3}-45 y^{\prime \prime } y^{\prime \prime \prime } y^{\prime \prime \prime \prime }+9 {y^{\prime \prime }}^{2} y^{\left (5\right )}&=0 \end {array} \]

[[_high_order, _missing_x], [_high_order, _missing_y], [_high_order, _with_linear_symmetries]]

0.488

\(187\)

19170

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} -y+y^{\prime } x -y^{\prime \prime }+x y^{\prime \prime \prime }&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.110

\(188\)

19174

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} -2 y x +\left (x^{2}+2\right ) y^{\prime }-2 y^{\prime \prime } x +\left (x^{2}+2\right ) y^{\prime \prime \prime }&=x^{4}+12 \end {array} \]

[[_3rd_order, _linear, _nonhomogeneous]]

0.146

\(189\)

19782

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime \prime } y^{\prime }-3 {y^{\prime \prime }}^{2}+3 y^{\prime \prime } {y^{\prime }}^{2}-2 {y^{\prime }}^{4}-x {y^{\prime }}^{5}&=0 \end {array} \]

[[_3rd_order, _missing_y], [_3rd_order, _with_exponential_symmetries], [_3rd_order, _with_linear_symmetries]]

0.612

\(190\)

19784

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{2} y^{\prime \prime \prime }-\left (3 y y^{\prime }+2 x y^{2}\right ) y^{\prime \prime }+\left (2 {y^{\prime }}^{2}+2 y y^{\prime } x +3 y^{2} x^{2}\right ) y^{\prime }+x^{3} y^{3}&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.119

\(191\)

20108

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} 16 \left (x +1\right )^{4} y^{\prime \prime \prime \prime }+96 \left (x +1\right )^{3} y^{\prime \prime \prime }+104 \left (x +1\right )^{2} y^{\prime \prime }+8 \left (x +1\right ) y^{\prime }+y&=x^{2}+4 x +3 \end {array} \]

[[_high_order, _with_linear_symmetries]]

0.164

\(192\)

20153

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} \left (x^{3}+x +1\right ) y^{\prime \prime \prime }+\left (3+6 x \right ) y^{\prime \prime }+6 y&=0 \end {array} \]

[[_3rd_order, _exact, _linear, _homogeneous]]

9.803

\(193\)

20196

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x^{2} y^{\prime \prime \prime }+x^{2} y^{\prime \prime }-2 y^{\prime } x +2 y&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.112

\(194\)

20529

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} 3 y x +\left (x^{2}+2\right ) y^{\prime }+4 y^{\prime \prime } x +x^{2} y^{\prime \prime \prime }&=2 \end {array} \]

[[_3rd_order, _linear, _nonhomogeneous]]

0.113

\(195\)

20530

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x^{5} y^{\left (6\right )}+x^{4} y^{\left (5\right )}+y^{\prime } x +y&=\ln \left (x \right ) \end {array} \]

[[_high_order, _exact, _linear, _nonhomogeneous]]

1.700

\(196\)

20534

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{2}+\left (2 y x -1\right ) y^{\prime }+y^{\prime \prime } x +x^{2} y^{\prime \prime \prime }&=0 \end {array} \]

[[_3rd_order, _exact, _nonlinear], [_3rd_order, _with_linear_symmetries]]

0.122

\(197\)

20609

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime \prime }-y^{\prime \prime } x -y^{\prime }+y x&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.161

\(198\)

20754

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} \left (2 x -1\right )^{3} y^{\prime \prime \prime }+\left (2 x -1\right ) y^{\prime }-2 y&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.142

\(199\)

20756

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} 16 \left (x +1\right )^{4} y^{\prime \prime \prime \prime }+96 \left (x +1\right )^{3} y^{\prime \prime \prime }+104 \left (x +1\right )^{2} y^{\prime \prime }+8 \left (x +1\right ) y^{\prime }+y&=x^{2}+4 x +3 \end {array} \]

[[_high_order, _with_linear_symmetries]]

0.191

\(200\)

21181

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x^{\prime \prime \prime }-x^{\prime }&=0\\ x \left (0\right )&=1\\ x \left (\infty \right )&=0\\ \end {array} \]

[[_3rd_order, _missing_x]]

2.962

\(201\)

21185

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x^{\prime \prime \prime }-3 x^{\prime }+k x&=0\\ x \left (0\right )&=1\\ x \left (\infty \right )&=0\\ \end {array} \]

[[_3rd_order, _missing_x]]

362.994

\(202\)

21189

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x^{\prime \prime \prime \prime }-4 x^{\prime \prime }+x&=0\\ x \left (0\right )&=0\\ x \left (\infty \right )&=0\\ x^{\prime }\left (0\right )&=1\\ \end {array} \]

[[_high_order, _missing_x]]

12.342

\(203\)

21952

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} 5 {b^{\prime \prime \prime \prime }}^{5}+7 {b^{\prime }}^{10}+b^{7}-b^{5}&=p \end {array} \]

[NONE]

0.158

\(204\)

21957

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime \prime \prime }+x y^{\prime \prime \prime }+x^{2} y^{\prime \prime }-y^{\prime } x +\sin \left (y\right )&=0 \end {array} \]

[NONE]

0.168

\(205\)

22078

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y y^{\prime \prime \prime }+y^{\prime } x +y&=x^{2} \end {array} \]

[[_3rd_order, _exact, _nonlinear]]

0.131

\(206\)

22085

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime \prime \prime }+x^{2} y^{\prime \prime \prime }+y^{\prime \prime } x -{\mathrm e}^{x} y^{\prime }+2 y&=x^{2}+x +1 \end {array} \]

[[_high_order, _linear, _nonhomogeneous]]

0.208

\(207\)

22089

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime \prime }+\left (x^{2}-1\right ) y^{\prime \prime }-2 y^{\prime }+y&=5 \sin \left (x \right ) \end {array} \]

[[_3rd_order, _linear, _nonhomogeneous]]

0.146

\(208\)

22292

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} {s^{\prime \prime \prime }}^{2}+{s^{\prime \prime }}^{3}&=s-3 t \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.138

\(209\)

22799

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime \prime }&=\frac {24 x +24 y}{x^{3}} \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.151

\(210\)

22800

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x y^{\prime \prime \prime }+2 y^{\prime \prime } x -y^{\prime } x -2 y x&=1 \end {array} \]

[[_3rd_order, _linear, _nonhomogeneous]]

0.141

\(211\)

23240

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime \prime }+x^{2} y&={\mathrm e}^{x} \end {array} \]

[[_3rd_order, _linear, _nonhomogeneous]]

0.131

\(212\)

23241

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime }+y y^{\prime \prime \prime \prime }&=5 \end {array} \]

[[_high_order, _missing_x], [_high_order, _with_linear_symmetries]]

0.151

\(213\)

23246

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} 2 y^{\prime \prime \prime }+3 y^{\prime \prime }-4 y^{\prime }+y x&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.132

\(214\)

23255

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x y^{\prime \prime \prime }+4 y^{\prime \prime } x -y x&=1 \end {array} \]

[[_3rd_order, _linear, _nonhomogeneous]]

0.124

\(215\)

23291

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} \left (x^{3}-1\right ) y^{\prime \prime \prime }-3 y^{\prime \prime }+4 y x&=0\\ y \left (-1\right )&=0\\ y^{\prime }\left (-1\right )&=2\\ y^{\prime \prime }\left (-1\right )&=2\\ \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.166

\(216\)

23469

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} 3 x y^{\prime \prime \prime }-4 y x&=\cos \left (y\right ) \end {array} \]

[NONE]

0.138

\(217\)

23472

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime \prime }-3 y^{\prime \prime } x +4 y&=x^{2} \end {array} \]

[[_3rd_order, _linear, _nonhomogeneous]]

0.129

\(218\)

23552

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\left (5\right )}-y^{\prime }-\frac {4 y}{x}&=0 \end {array} \]

[[_high_order, _with_linear_symmetries]]

0.185

\(219\)

25144

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime \prime \prime }+y^{4}&=0 \end {array} \]

[[_high_order, _missing_x], [_high_order, _with_linear_symmetries]]

0.157

\(220\)

25145

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\left (5\right )}+t y^{\prime \prime }-3 y&=0 \end {array} \]

[[_high_order, _with_linear_symmetries]]

0.186

\(221\)

25649

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x y^{\prime \prime \prime }-{y^{\prime }}^{4}+y&=0 \end {array} \]

[NONE]

0.135

\(222\)

25650

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} t^{5} y^{\prime \prime \prime \prime }-t^{3} y^{\prime \prime }+6 y&=0 \end {array} \]

[[_high_order, _with_linear_symmetries]]

0.173

\(223\)

25654

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} \sin \left (t \right ) y^{\prime \prime \prime }-\cos \left (t \right ) y^{\prime }&=2 \end {array} \]

[[_3rd_order, _missing_y]]

3.082

\(224\)

26454

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} {y^{\prime \prime }}^{2}-y^{\prime \prime \prime } y^{\prime }&=\frac {{y^{\prime }}^{2}}{x^{2}} \end {array} \]

[[_3rd_order, _missing_y], [_3rd_order, _with_linear_symmetries]]

0.886

\(225\)

26479

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{2} y^{\prime \prime \prime }-3 y y^{\prime } y^{\prime \prime }+2 {y^{\prime }}^{3}+\frac {y \left (y y^{\prime \prime }-{y^{\prime }}^{2}\right )}{x}&=\frac {y^{3}}{x^{2}} \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.168

\(226\)

26703

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x^{2} y^{\prime \prime \prime \prime }+4 x y^{\prime \prime \prime }+2 y^{\prime \prime }&=0\\ y \left (1\right )&=0\\ y^{\prime }\left (1\right )&=0\\ y \left (0\right )&=y_{0}\\ \end {array} \]

[[_high_order, _missing_y]]

7.773

\(227\)

26704

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x^{3} y^{\prime \prime \prime \prime }+6 x^{2} y^{\prime \prime \prime }+6 y^{\prime \prime } x&=0\\ y \left (1\right )&=0\\ y^{\prime }\left (1\right )&=0\\ y \left (0\right )&=y_{0}\\ \end {array} \]

[[_high_order, _missing_y]]

11.843

\(228\)

27560

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y y^{\prime \prime \prime }&=y^{\prime } y^{\prime \prime } \end {array} \]

[[_3rd_order, _missing_x], [_3rd_order, _exact, _nonlinear], [_3rd_order, _with_linear_symmetries], [_3rd_order, _reducible, _mu_y2], [_3rd_order, _reducible, _mu_poly_yn]]

0.039

\(229\)

27587

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} {y^{\prime \prime }}^{2}-y^{\prime \prime \prime } y^{\prime }&=\frac {{y^{\prime }}^{2}}{x^{2}} \end {array} \]

[[_3rd_order, _missing_y], [_3rd_order, _with_linear_symmetries]]

0.268

\(230\)

27592

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{2} \left (y^{\prime \prime \prime } y^{\prime }-2 {y^{\prime \prime }}^{2}\right )&={y^{\prime }}^{4} \end {array} \]

[[_3rd_order, _missing_x], [_3rd_order, _with_linear_symmetries]]

0.049

\(231\)

27598

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} 2 y y^{\prime \prime \prime }&=y^{\prime } \end {array} \]

[[_3rd_order, _missing_x], [_3rd_order, _exact, _nonlinear], [_3rd_order, _with_linear_symmetries], [_3rd_order, _reducible, _mu_y2]]

0.033

\(232\)

27600

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{2} y^{\prime \prime \prime }&={y^{\prime }}^{3} \end {array} \]

[[_3rd_order, _missing_x], [_3rd_order, _exact, _nonlinear], [_3rd_order, _with_linear_symmetries]]

0.035

\(233\)

27602

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{2} \left (x^{3} y^{\prime \prime \prime }-2 y^{\prime } x -3 y\right )&=x^{3} y^{\prime } \left (3 y y^{\prime \prime }-2 {y^{\prime }}^{2}\right ) \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.053

\(234\)

27603

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} \left (y^{\prime \prime \prime } y^{\prime }-3 {y^{\prime \prime }}^{2}\right ) y&={y^{\prime }}^{5} \end {array} \]

[[_3rd_order, _missing_x], [_3rd_order, _with_linear_symmetries]]

0.045

\(235\)

27604

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{2} \left (y^{\prime \prime \prime } y^{\prime }-2 y^{\prime \prime }\right )&=y {y^{\prime }}^{2} y^{\prime \prime }+2 {y^{\prime }}^{4} \end {array} \]

[[_3rd_order, _missing_x], [_3rd_order, _with_linear_symmetries]]

0.058

\(236\)

27605

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x^{2} \left (y^{2} y^{\prime \prime \prime }-{y^{\prime }}^{3}\right )&=2 y^{2} y^{\prime }-3 x y {y^{\prime }}^{2} \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.050

\(237\)

27607

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} 2 y^{\prime \prime \prime }-3 {y^{\prime }}^{2}&=0\\ y \left (0\right )&=-3\\ y^{\prime }\left (0\right )&=1\\ y^{\prime \prime }\left (0\right )&=-1\\ \end {array} \]

[[_3rd_order, _missing_x], [_3rd_order, _missing_y], [_3rd_order, _with_linear_symmetries], [_3rd_order, _reducible, _mu_y2]]

5.281

\(238\)

27609

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime \prime }&=3 y y^{\prime }\\ y \left (0\right )&=-2\\ y^{\prime }\left (0\right )&=0\\ y^{\prime \prime }\left (0\right )&={\frac {9}{2}}\\ \end {array} \]

[[_3rd_order, _missing_x], [_3rd_order, _exact, _nonlinear], [_3rd_order, _with_linear_symmetries], [_3rd_order, _reducible, _mu_y2]]

0.056

\(239\)

27701

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} \left (2 x +3\right )^{3} y^{\prime \prime \prime }+3 \left (2 x +3\right ) y^{\prime }-6 y&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.042

\(240\)

27720

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y-y^{\prime } x -y^{\prime \prime }+x y^{\prime \prime \prime }&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.036

\(241\)

27722

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} \left (x^{2}-2 x +3\right ) y^{\prime \prime \prime }-\left (x^{2}+1\right ) y^{\prime \prime }+2 y^{\prime } x -2 y&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.049

\(242\)

27953

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} -y+y^{\prime } x -y^{\prime \prime }+x y^{\prime \prime \prime }&=f \left (x \right )\\ y \left (1\right )&=0\\ y^{\prime }\left (1\right )&=0\\ y^{\prime \prime }\left (1\right )&=0\\ \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.072

\(243\)

27986

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} z w^{\prime \prime \prime }+w&=0 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.033