E.g.f. tan(sinh(x))*cos(x) (odd powers only).

A009680

E.g.f. tan(sinh(x))*cos(x) (odd powers only).

Terms

    a(0) =1a(1) =0a(2) =12a(3) =336a(4) =15760a(5) =1144704a(6) =117385920a(7) =16206548736

External references