Expansion of e.g.f. exp(x^3/(1+x)).

Terms

a(0) =1a(1) =0a(2) =0a(3) =6a(4) =-24a(5) =120a(6) =-360a(7) =0a(8) =20160a(9) =-302400a(10) =3628800a(11) =-39916800a(12) =419126400a(13) =-4151347200a(14) =36324288000a(15) =-207048441600