51564

Appears in sequences

• Binomial convolution of the Stirling numbers of the second kind.at n=7A134094
• a(0)=0; thereafter A003470(n-1) + A003470(n) - 1.at n=8A259859
• Triangle read by rows, T(n,k) = Sum_{j=0..n} (-1)^(n-j)*C(-j-1,-n-1)*S2(k,j), S2 the Stirling set numbers A048993, for n>=0 and 0<=k<=n.at n=43A271702