Expansion of tanh(sin(x))*sin(x).

A009795

Expansion of tanh(sin(x))*sin(x).

Terms

    a(0) =0a(1) =2a(2) =-16a(3) =288a(4) =-10368a(5) =610304a(6) =-52885504a(7) =6324756480a(8) =-997700468736

External references