Expansion of e.g.f. tanh(sinh(x)+tan(x)) (odd powers only).

A013051

Expansion of e.g.f. tanh(sinh(x)+tan(x)) (odd powers only).

Terms

    a(0) =2a(1) =-13a(2) =289a(3) =-13039a(4) =1003825a(5) =-118036631a(6) =19683093369

External references