Number of (n+1) X (2+1) 0..2 arrays with every element both >= and <= some horizontal, diagonal or antidiagonal neighbor.
A232408
Number of (n+1) X (2+1) 0..2 arrays with every element both >= and <= some horizontal, diagonal or antidiagonal neighbor.
Terms
- a(0) =159a(1) =2689a(2) =48971a(3) =890283a(4) =16262989a(5) =296516955a(6) =5408696699a(7) =98655002241
External references
- oeis: A232408