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

Terms

a(0) =0a(1) =1a(2) =2a(3) =2a(4) =8a(5) =80a(6) =512a(7) =3992a(8) =47168a(9) =588800a(10) =7903232a(11) =124255232a(12) =2161507328a(13) =40505429120a(14) =829919658752