Number of (n+2)X(n+2) 0..1 arrays with no 3x3 subblock diagonal sum one and no antidiagonal sum two.
A254846
Number of (n+2)X(n+2) 0..1 arrays with no 3x3 subblock diagonal sum one and no antidiagonal sum two.
Terms
- a(0) =192a(1) =1369a(2) =5904a(3) =37636a(4) =296800a(5) =3316041a(6) =50676440a(7) =827137600a(8) =14800497228a(9) =375688088356
External references
- oeis: A254846