E.g.f. log(1 + tan(x)*sin(x)) (even powers only).

A009377

E.g.f. log(1 + tan(x)*sin(x)) (even powers only).

Terms

    a(0) =0a(1) =2a(2) =-8a(3) =182a(4) =-6008a(5) =408122a(6) =-38757908a(7) =5438711462

External references