Expansion of e.g.f. sinh(tan(x))*sin(x) (even powers only).

A009606

Expansion of e.g.f. sinh(tan(x))*sin(x) (even powers only).

Terms

    a(0) =0a(1) =2a(2) =8a(3) =168a(4) =5760a(5) =310304a(6) =23894144a(7) =2481859968a(8) =333725331456

External references