✗ Mathematica : cpu = 300.848 (sec), leaf count = 0
DSolve[(E0 + 4*b^2*c^2*D0*x^(2*c))*y[x] + x*((-1 + 2*a)*C0 + 4*b^2*B0*c^2*x^(2*c))*Derivative[1][y][x] + x^2*(A0 + 4*b^2*c^2*x^(2*c))*Derivative[2][y][x] + (6 - 4*a)*x^3*Derivative[3][y][x] + x^4*Derivative[4][y][x] == 0,y[x],x]
, timed out
$Aborted
✓ Maple : cpu = 0.467 (sec), leaf count = 63
dsolve(x^4*diff(diff(diff(diff(y(x),x),x),x),x)+(6-4*a)*x^3*diff(diff(diff(y(x),x),x),x)+(4*b^2*c^2*x^(2*c)+6*(a-1)^2-2*c^2*(mu^2+nu^2)+1)*x^2*diff(diff(y(x),x),x)+(4*(3*c-2*a+1)*b^2*c^2*x^(2*c)+(2*a-1)*(2*c^2*(mu^2+nu^2)-2*a*(a-1)-1))*x*diff(y(x),x)+(4*(a-c)*(a-2*c)*b^2*c^2*x^(2*c)+(c*mu+c*nu+a)*(c*mu+c*nu-a)*(c*mu-c*nu+a)*(c*mu-c*nu-a))*y(x)=0,y(x))