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

Terms

a(0) =1a(1) =0a(2) =0a(3) =6a(4) =24a(5) =60a(6) =840a(7) =10290a(8) =80976a(9) =847224a(10) =13306320a(11) =190271070a(12) =2677088040a(13) =46082426676a(14) =874515884424