Expansion of e.g.f. arctan(arctan(x)+arcsin(x)) (odd powers only).

A012988

Expansion of e.g.f. arctan(arctan(x)+arcsin(x)) (odd powers only).

Terms

    a(0) =2a(1) =-17a(2) =881a(3) =-111919a(4) =26533505a(5) =-10100912631

External references