Expansion of e.g.f. sin(arctanh(x)), odd powers only.

A102058

Expansion of e.g.f. sin(arctanh(x)), odd powers only.

Terms

    a(0) =1a(1) =1a(2) =5a(3) =5a(4) =-5815a(5) =-956375a(6) =-172917875a(7) =-38579649875

External references