Number of n X n 0..1 arrays with the number of 1's horizontally or antidiagonally adjacent to some 0 two less than the number of 0's adjacent to some 1.
A293080
Number of n X n 0..1 arrays with the number of 1's horizontally or antidiagonally adjacent to some 0 two less than the number of 0's adjacent to some 1.
Terms
- a(0) =0a(1) =0a(2) =53a(3) =8108a(4) =3786544a(5) =6736259130
External references
- oeis: A293080