131601

Appears in sequences

• a(n) = floor(binomial(n,5)/5).at n=40A011851
• Numerator of 2*n*(2*n+1) B_{2*n}, where B_n are the Bernoulli numbers.at n=9A290533
• E.g.f. A(x) satisfies A(x) = exp(x * (1 - x*A(x))^2) / (1 - x*A(x))^2.at n=5A380765