Expansion of e.g.f. cosh(exp(x)*x).

Terms

a(0) =1a(1) =0a(2) =1a(3) =6a(4) =25a(5) =100a(6) =481a(7) =2954a(8) =20721a(9) =151848a(10) =1146721a(11) =9111982a(12) =77652169a(13) =710421452a(14) =6891125697a(15) =69961213170a(16) =738718169569