Expansion of e.g.f.: sin(sinh(log(1+x))).

Terms

a(0) =0a(1) =1a(2) =-1a(3) =2a(4) =-6a(5) =16a(6) =0a(7) =-736a(8) =12208a(9) =-169784a(10) =2318040a(11) =-32444776a(12) =472825056a(13) =-7215401192a(14) =115478109656