\[ x^2 y^{(3)}(x)+\left (x^2+1\right ) y'(x)-x y''(x)=0 \] ✓ Mathematica : cpu = 0.0519733 (sec), leaf count = 33
\[\left \{\left \{y(x)\to \frac {1}{2} c_1 x^2 \, _0\tilde {F}_1\left (;2;-\frac {x^2}{4}\right )+c_2 x Y_1(x)+c_3\right \}\right \}\] ✓ Maple : cpu = 0.074 (sec), leaf count = 18
\[\{y \left (x \right ) = c_{2} x \BesselJ \left (1, x\right )+c_{3} x \BesselY \left (1, x\right )+c_{1}\}\]