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

A009745

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

Terms

    a(0) =0a(1) =2a(2) =8a(3) =48a(4) =1728a(5) =61184a(6) =3107840a(7) =235484928a(8) =22794670080

External references