182199871

Appears in sequences

• Number of n X 4 arrays with rows being permutations of 0..3 and no column j greater than column j-1 in all rows.at n=5A212851
• T(n,k) = number of n X k arrays with rows being permutations of 0..k-1 and no column j greater than column j-1 in all rows (n, k >= 1).at n=41A212855
• Number of 6 X n arrays with rows being permutations of 0..n-1 and no column j greater than column j-1 in all rows.at n=4A212859