Expansion of tanh(sin(x))*tan(x)/2.

A024242

Expansion of tanh(sin(x))*tan(x)/2.

Terms

    a(0) =0a(1) =1a(2) =-2a(3) =99a(4) =-2244a(5) =182917a(6) =-13166918a(7) =1774050663a(8) =-260505887880

External references