455608

Appears in sequences

• T(2n,n+3), T given by A026758.at n=8A026874
• Irregular triangle, T(n, k) = coefficients of p(x, n), where p(x, n) = (1-2*x)^(n+1) * Sum_{j>=0} j^n*(x/(1-x))^j, read by rows.at n=56A142073