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

Terms

a(0) =1a(1) =1a(2) =1a(3) =-5a(4) =-23a(5) =1a(6) =601a(7) =2731a(8) =-13775a(9) =-219743a(10) =-313199a(11) =15383611a(12) =125451481a(13) =-811558175a(14) =-20767068503a(15) =-37852036949