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

A009396

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

Terms

    a(0) =0a(1) =2a(2) =-24a(3) =742a(4) =-46424a(5) =4924442a(6) =-795624324a(7) =182148217942

External references