Expansion of sin(log(1+sinh(x))).

Terms

a(0) =0a(1) =1a(2) =-1a(3) =2a(4) =-4a(5) =1a(6) =74a(7) =-988a(8) =11136a(9) =-126059a(10) =1500524a(11) =-19039978a(12) =258494576a(13) =-3754232819a(14) =58220860424a(15) =-961696523968