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

A232348

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

Terms

    a(0) =10503a(1) =2435979a(2) =426813751a(3) =78572361735

External references