Number of n X 7 arrays with rows being permutations of 0..6 and no column j greater than column j-1 in all rows.
A212854
Number of n X 7 arrays with rows being permutations of 0..6 and no column j greater than column j-1 in all rows.
Terms
- a(0) =1a(1) =3081513a(2) =53090086057
External references
- oeis: A212854