Expansion of e.g.f. tan(arcsin(arcsinh(x))) (odd powers only).

A012113

Expansion of e.g.f. tan(arcsin(arcsinh(x))) (odd powers only).

Terms

    a(0) =1a(1) =2a(2) =24a(3) =552a(4) =28032a(5) =1778688a(6) =212383872a(7) =25215328512

External references