142536

Appears in sequences

• Triangle, read by rows, T(n,k) = binomial(n*(n-k)*k, k) + binomial(n*(n-k)*k, n -k).at n=22A157113
• Triangle, read by rows, T(n,k) = binomial(n*(n-k)*k, k) + binomial(n*(n-k)*k, n -k).at n=26A157113
• a(n) = (n^5 - 5*n^4 + 5*n^3 + 5*n^2 + 114*n + 120)/120.at n=29A161701
• List of André permutations of the first kind.at n=36A278982