Number of nX3 arrays containing 3 copies of 0..n-1 avoiding the pattern down-up in every row and equal-up in every column.
A269645
Number of nX3 arrays containing 3 copies of 0..n-1 avoiding the pattern down-up in every row and equal-up in every column.
Terms
- a(0) =1a(1) =14a(2) =574a(3) =68876a(4) =18375702a(5) =9213264418
External references
- oeis: A269645