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

Terms

a(0) =0a(1) =1a(2) =0a(3) =2a(4) =-12a(5) =51a(6) =-300a(7) =2120a(8) =-16968a(9) =152677a(10) =-1526760a(11) =16794414a(12) =-201532980a(13) =2619928663a(14) =-36679001268a(15) =550185019124