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

Terms

a(0) =1a(1) =0a(2) =0a(3) =0a(4) =12a(5) =-60a(6) =210a(7) =-1260a(8) =11760a(9) =-114912a(10) =1111560a(11) =-11676720a(12) =138570696a(13) =-1799232864a(14) =25005472128a(15) =-371229549600