Expansion of e.g.f. 1/(1 - (x * (exp(x) - 1))^3 / 36).

Terms

a(0) =1a(1) =0a(2) =0a(3) =0a(4) =0a(5) =0a(6) =20a(7) =210a(8) =1400a(9) =7560a(10) =36120a(11) =159390a(12) =1035100a(13) =17082780a(14) =329893564a(15) =5336661330a(16) =73265956400a(17) =889068944400