Number of n X n 0..1 arrays with each 1 horizontally or vertically adjacent to 1, 2 or 4 1's.
A295524
Number of n X n 0..1 arrays with each 1 horizontally or vertically adjacent to 1, 2 or 4 1's.
Terms
- a(0) =1a(1) =10a(2) =147a(3) =7071a(4) =1012315a(5) =437241277a(6) =563330031268
External references
- oeis: A295524