-8176

Appears in sequences

• Expansion of log(1+x)*cosh(tanh(x)).at n=8A009415
• Expansion of e.g.f.: log(1+x)/cos(sin(x)).at n=8A009425
• E.g.f.: log(1+tanh(x)*tan(x))/2 (even powers only).at n=4A024277
• G.f.: A(q) = exp( Sum_{n>=1} A002129(n) * 2*A006519(n) * q^n/n ).at n=40A161800
• G.f. is Q_0(q) where Q_0(q^4) is a series quadrisection of the g.f. of A161800.at n=10A161801