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

Terms

a(0) =1a(1) =0a(2) =-1a(3) =-1a(4) =5a(5) =19a(6) =-41a(7) =-519a(8) =-183a(9) =19223a(10) =73451a(11) =-847067a(12) =-8554547a(13) =32488611a(14) =977198559a(15) =1325135969a(16) =-116987762287a(17) =-860498433233