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

Terms

a(0) =1a(1) =0a(2) =-2a(3) =-3a(4) =20a(5) =115a(6) =-306a(7) =-6307a(8) =-6616a(9) =462663a(10) =2956130a(11) =-38945951a(12) =-656504388a(13) =2325876683a(14) =145820995670a(15) =562691968005