Number of n X 4 0..1 arrays with the number of 1's horizontally, diagonally or antidiagonally adjacent to some 0 two less than the number of 0's adjacent to some 1.
A293096
Number of n X 4 0..1 arrays with the number of 1's horizontally, diagonally or antidiagonally adjacent to some 0 two less than the number of 0's adjacent to some 1.
Terms
- a(0) =0a(1) =42a(2) =567a(3) =8088a(4) =115870a(5) =1710994a(6) =25504769a(7) =383909610a(8) =5821195059a(9) =88774881168
External references
- oeis: A293096