Number of n X n 0..1 arrays with each 1 horizontally, vertically or antidiagonally adjacent to 1, 2 or 3 neighboring 1's.
A296592
Number of n X n 0..1 arrays with each 1 horizontally, vertically or antidiagonally adjacent to 1, 2 or 3 neighboring 1's.
Terms
- a(0) =1a(1) =11a(2) =228a(3) =16524a(4) =4254377a(5) =3553672817
External references
- oeis: A296592