1277096

Appears in sequences

• a(n) = Sum_{k=1..n} binomial(n-1, k-1)*A008292(n, k) for n >= 1.at n=7A104098
• Irregular triangle T(n, k) = [x^k]( p(n, x) ), where p(n, x) = (1/x)*(1-x)^n*(1+x)^(n+2)*( Sum_{j >= 0} j^(n+1)*x^j ), read by rows.at n=56A165891