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

Terms

a(0) =1a(1) =0a(2) =0a(3) =-6a(4) =24a(5) =-120a(6) =1080a(7) =-10080a(8) =100800a(9) =-1149120a(10) =14515200a(11) =-199584000a(12) =2973801600a(13) =-47740492800a(14) =820928908800