Expansion of e.g.f. exp(1 + x - exp(2*x)).

Terms

a(0) =1a(1) =-1a(2) =-3a(3) =3a(4) =41a(5) =87a(6) =-571a(7) =-5701a(8) =-14575a(9) =156655a(10) =2094925a(11) =9148851a(12) =-63364423a(13) =-1474212665a(14) =-11494853995a(15) =10945362411