Number of (n+2) X (n+2) 0..2 arrays with nondecreasing sum of every three consecutive values in every row and column.
A250593
Number of (n+2) X (n+2) 0..2 arrays with nondecreasing sum of every three consecutive values in every row and column.
Terms
- a(0) =19683a(1) =2099520a(2) =622080000a(3) =512000000000
External references
- oeis: A250593