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.
A212859
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.
Terms
- a(0) =1a(1) =1a(2) =63a(3) =45199a(4) =182199871
External references
- oeis: A212859