253092

Appears in sequences

• Triangle read by rows: T(n,k) = (n-1-k)*abs(s(n,n+1-k)), where s(n,k) are the signed Stirling numbers of the first kind and 1 <= k <= n.at n=49A199220
• Expansion of (1/(1 - x))*Product_{k>=1} (1 + k*x^k).at n=25A302831