Number of (n+1)X(n+1) 0..3 arrays with the maximum of every 2X2 subblock equal.

A236941

Number of (n+1)X(n+1) 0..3 arrays with the maximum of every 2X2 subblock equal.

Terms

    a(0) =256a(1) =112888a(2) =534626674

External references