Expansion of e.g.f. exp(4 * (1 - exp(x)) + x).

Terms

a(0) =1a(1) =-3a(2) =5a(3) =5a(4) =-43a(5) =-27a(6) =597a(7) =805a(8) =-11883a(9) =-40475a(10) =265685a(11) =2133157a(12) =-3405803a(13) =-107760283a(14) =-301542315a(15) =4458255397a(16) =42421260949a(17) =-45046794011