Number of n X n 0..1 arrays with each 1 horizontally or vertically adjacent to 0 or 2 1's.
A295044
Number of n X n 0..1 arrays with each 1 horizontally or vertically adjacent to 0 or 2 1's.
Terms
- a(0) =2a(1) =8a(2) =72a(3) =1569a(4) =79855a(5) =9388654a(6) =2573527520
External references
- oeis: A295044