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

Terms

a(0) =1a(1) =1a(2) =2a(3) =0a(4) =0a(5) =0a(6) =360a(7) =2520a(8) =20160a(9) =120960a(10) =1209600a(11) =13305600a(12) =179625600a(13) =2335132800a(14) =32691859200a(15) =479480601600