Expansion of e.g.f. tan(sinh(x))*x/2 (even powers only).

A024274

Expansion of e.g.f. tan(sinh(x))*x/2 (even powers only).

Terms

    a(0) =0a(1) =1a(2) =6a(3) =111a(4) =4060a(5) =239405a(6) =20758914a(7) =2482982971a(8) =391694904056

External references