Number of n X n 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 1, 2 or 3 neighboring 1's.
A297648
Number of n X n 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 1, 2 or 3 neighboring 1's.
Terms
- a(0) =1a(1) =10a(2) =231a(3) =11024a(4) =2525244a(5) =1906300826
External references
- oeis: A297648