Expansion of e.g.f. exp(x^3/6 * (exp(x) - 1)).

Terms

a(0) =1a(1) =0a(2) =0a(3) =0a(4) =4a(5) =10a(6) =20a(7) =35a(8) =616a(9) =5124a(10) =29520a(11) =138765a(12) =942700a(13) =9369646a(14) =91711984a(15) =782281955a(16) =6539493520a(17) =62576274440a(18) =693828386976