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

Terms

a(0) =0a(1) =1a(2) =-1a(3) =5a(4) =-12a(5) =29a(6) =-165a(7) =993a(8) =-7056a(9) =58617a(10) =-520065a(11) =5139485a(12) =-56499564a(13) =676947413a(14) =-8785333557a(15) =122824831353