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

Terms

a(0) =0a(1) =1a(2) =-1a(3) =-1a(4) =10a(5) =-29a(6) =-46a(7) =1049a(8) =-5480a(9) =-6299a(10) =367784a(11) =-2993101a(12) =-433520a(13) =302131831a(14) =-3539197936a(15) =4643279549a(16) =477914976640