-9911

Appears in sequences

• Expansion of e.g.f. cos(tan(sinh(x))), even terms only.at n=4A009067
• Expansion of exp(tanh(sin(x))).at n=8A009258
• a(n) = -n^3 + 7*n^2 - 5*n + 1.at n=24A161708
• a(n) = Sum_{k=0..floor(n/3)} (-n)^k * binomial(n-2*k,k).at n=12A368895