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

Terms

a(0) =1a(1) =1a(2) =1a(3) =1a(4) =-23a(5) =-119a(6) =-359a(7) =-839a(8) =18481a(9) =178417a(10) =902161a(11) =3318481a(12) =-69866279a(13) =-1011908039a(14) =-7204341143a(15) =-36194591159a(16) =726745175521