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

A296679

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

Terms

    a(0) =1a(1) =1a(2) =13a(3) =341a(4) =18649a(5) =1599849a(6) =205524837a(7) =36391450941

External references