6756750

Appears in sequences

• Triangle read by rows, T(n, k) = Sum_{j=0..n} C(n-j, n-k)*E2(n, j), where E2 are the second-order Eulerian numbers A201637, for n >= 0 and 0 <= k <= n.at n=43A112493
• Values of |G-hat_1(n)|, a sum involving Stirling numbers of the second kind.at n=8A261898
• Number of set partitions of [n] having exactly seven blocks of size > 1.at n=1A290036