Number of (n+1)X(n+1) 0..2 arrays with every element both >= and <= some horizontal, vertical, diagonal or antidiagonal neighbor.
A232344
Number of (n+1)X(n+1) 0..2 arrays with every element both >= and <= some horizontal, vertical, diagonal or antidiagonal neighbor.
Terms
- a(0) =21a(1) =5309a(2) =6753291a(3) =78572361735
External references
- oeis: A232344