177664

Appears in sequences

• Denominators of continued fraction convergents to sqrt(865).at n=14A042671
• E.g.f.: (1 + sinh(x)) / (1 - sinh(x)).at n=8A322623
• a(n) = 2^(n-2)*(3*binomial(n,3) + 6*binomial(n,2) + 6*n + 4).at n=10A385589