31570561

Appears in sequences

• Triangle T(n, k) = n! * binomial(n, k)^2 - n! + 1, read by rows.at n=38A174689
• Triangle T(n, k) = n! * binomial(n, k)^2 - n! + 1, read by rows.at n=42A174689
• Triangle T(n, k) = n!*(1/k)^2*(binomial(n-1, k-1)*binomial(n, k-1))^2 - n! + 1, read by rows.at n=29A174696
• Triangle T(n, k) = n!*(1/k)^2*(binomial(n-1, k-1)*binomial(n, k-1))^2 - n! + 1, read by rows.at n=34A174696