Expansion of e.g.f. sinh(tan(x))/cos(x), odd powers only.

A009607

Expansion of e.g.f. sinh(tan(x))/cos(x), odd powers only.

Terms

    a(0) =1a(1) =6a(2) =92a(3) =2688a(4) =127312a(5) =8850336a(6) =845380928a(7) =105911556096

External references