199360983

Appears in sequences

• Expansion of e.g.f. exp(2x)*sech(x).at n=14A119880
• a(n) = A000111(n) + A014695(n).at n=14A141479
• Expansion of the exponential generating function (tanh(x) - sech(x) + 1) * exp(x).at n=14A342161