E.g.f.: exp(x^3/(x-1)).

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