53157079

Appears in sequences

• Triangle read by rows: T(n,k) = T(n-1,k-1) + k^2*T(n-1,k), 1 < k <= n, T(n,1) = 1.at n=48A036969
• Expansion of 1/((1-x) * (1-4*x) * (1-9*x) * (1-16*x)).at n=6A383838