Number of n X n 0..1 arrays with each 1 horizontally or vertically adjacent to 1, 2 or 3 1's.
A295410
Number of n X n 0..1 arrays with each 1 horizontally or vertically adjacent to 1, 2 or 3 1's.
Terms
- a(0) =1a(1) =10a(2) =234a(3) =19026a(4) =5741797a(5) =6093564449
External references
- oeis: A295410