Number of 5 X n arrays with rows being permutations of 0..n-1 and no column j greater than column j-1 in all rows.
A212858
Number of 5 X n arrays with rows being permutations of 0..n-1 and no column j greater than column j-1 in all rows.
Terms
- a(0) =1a(1) =1a(2) =31a(3) =7291a(4) =7225951a(5) =21855093751
External references
- oeis: A212858