Number of n X n 0..1 arrays with the number of 1's horizontally, antidiagonally or vertically adjacent to some 0 two less than the number of 0's adjacent to some 1.
A289644
Number of n X n 0..1 arrays with the number of 1's horizontally, antidiagonally or vertically adjacent to some 0 two less than the number of 0's adjacent to some 1.
Terms
- a(0) =0a(1) =2a(2) =61a(3) =8554a(4) =2662095a(5) =5675111511
External references
- oeis: A289644