Expansion of e.g.f. log(1 + x*tan(x/2)) (even powers only).

A296837

Expansion of e.g.f. log(1 + x*tan(x/2)) (even powers only).

Terms

    a(0) =0a(1) =1a(2) =-2a(3) =18a(4) =-312a(5) =9470a(6) =-436860a(7) =28616322a(8) =-2522596496a(9) =288046961190

External references