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

Terms

a(0) =1a(1) =0a(2) =-2a(3) =-3a(4) =8a(5) =55a(6) =84a(7) =-637a(8) =-4992a(9) =-10593a(10) =92060a(11) =1012099a(12) =3642000a(13) =-18733585a(14) =-354606084a(15) =-2157876645a(16) =2003383424a(17) =175455790399