Expansion of e.g.f. cos(tanh(x)*exp(x)).

Terms

a(0) =1a(1) =0a(2) =-1a(3) =-6a(4) =-15a(5) =20a(6) =303a(7) =742a(8) =-2975a(9) =-17784a(10) =101471a(11) =1089330a(12) =-4112559a(13) =-109689892a(14) =-175956081a(15) =10257283678a(16) =62492991169