Number of (n+1) X (4+1) 0..2 arrays with every element both >= and <= some horizontal, diagonal or antidiagonal neighbor.

A232410

Number of (n+1) X (4+1) 0..2 arrays with every element both >= and <= some horizontal, diagonal or antidiagonal neighbor.

Terms

    a(0) =6477a(1) =876881a(2) =119994763a(3) =16776955943

External references