Number of n X n 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 1, 3 or 4 neighboring 1's.
A297743
Number of n X n 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 1, 3 or 4 neighboring 1's.
Terms
- a(0) =1a(1) =5a(2) =66a(3) =852a(4) =34159a(5) =6379211a(6) =2703029494
External references
- oeis: A297743