Number of n X n 0..1 arrays with each 1 horizontally or vertically adjacent to 0, 2 or 3 1's.
A295345
Number of n X n 0..1 arrays with each 1 horizontally or vertically adjacent to 0, 2 or 3 1's.
Terms
- a(0) =2a(1) =8a(2) =76a(3) =1877a(4) =123783a(5) =22091007a(6) =11500075769
External references
- oeis: A295345