Expansion of tanh(sinh(x))*exp(x).

Terms

a(0) =0a(1) =1a(2) =2a(3) =2a(4) =0a(5) =-8a(6) =-32a(7) =16a(8) =640a(9) =2304a(10) =1024a(11) =-68352a(12) =-661504a(13) =-843776a(14) =25305088a(15) =221382656a(16) =948699136a(17) =-9865887744a(18) =-216606572544a(19) =-888186732544