Expansion of tanh(log(1+x)*cosh(x)).

Terms

a(0) =0a(1) =1a(2) =-1a(3) =3a(4) =0a(5) =-65a(6) =525a(7) =-3619a(8) =15512a(9) =51549a(10) =-2308365a(11) =37073399a(12) =-417301896a(13) =2878576779a(14) =13832070161