287784

Appears in sequences

• Expansion of e.g.f.: log((-1+x)/(-1+2*x))^2.at n=7A052883
• Triangle read by rows. T(n, k) = Sum_{i=0..n} Stirling2(n, i)*Product_{j=1..k} (i - j + 1) for 0 <= k <= n.at n=40A059098