Number of (n+1) X (2+1) 0..2 arrays with every element both >= and <= some horizontal or antidiagonal neighbor.
A232251
Number of (n+1) X (2+1) 0..2 arrays with every element both >= and <= some horizontal or antidiagonal neighbor.
Terms
- a(0) =37a(1) =421a(2) =4711a(3) =52779a(4) =591181a(5) =6622029a(6) =74175439a(7) =830862931a(8) =9306762101a(9) =104248027381
External references
- oeis: A232251