Expansion of e.g.f. sin(x)/cos(tanh(x)) (odd powers only).

A009556

Expansion of e.g.f. sin(x)/cos(tanh(x)) (odd powers only).

Terms

    a(0) =1a(1) =2a(2) =-24a(3) =104a(4) =5824a(5) =-385408a(6) =15920256a(7) =-160063744a(8) =-67251703808

External references