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

A232418

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

Terms

    a(0) =3635a(1) =890283a(2) =107913855a(3) =16776955943

External references