Expansion of e.g.f. sinh(tan(x)/cos(x)), odd powers only.

A009612

Expansion of e.g.f. sinh(tan(x)/cos(x)), odd powers only.

Terms

    a(0) =1a(1) =6a(2) =112a(3) =4592a(4) =318208a(5) =32169984a(6) =4399544320a(7) =779244812288

External references