116298

Appears in sequences

• Expansion of 1/((1-3x)*(1-4x)*(1-5x)*(1-6x)).at n=5A028025
• Triangle read by rows: T(n,k) = number of forests of k labeled rooted trees of height at most 1, with n labels, where any root may contain >= 1 labels, n >= 0, 0 <= k <= n.at n=39A143395
• Triangle read by rows: 3-Stirling numbers of the second kind.at n=39A143495
• a(n)= n * reversal(n-1) * reversal(n+1).at n=17A160936
• G.f.: A(x) = (1 + 21*x + 3*x^2 - x^3)/(1-x)^5.at n=17A183066
• Heinz number of the omega-sequence of n!.at n=13A325275