20865600

Appears in sequences

• Coefficients of polynomials (n-1)!*P(n,k), P(n,k) = Sum_{i=0..n} Stirling2(n,i)*binomial(k+i-1,k).at n=35A059604
• Worpitzky form polynomials for the {1,16,1} A142462 sequence: p(x,n) = Sum_{k=1..n} A(n, k)*binomial(x + k - 1, n - 1).at n=25A168296
• E.g.f. satisfies A(x) = exp(x^2 * A(x) / (1 - x)).at n=9A376515