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

A237300

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

Terms

    a(0) =81a(1) =5433a(2) =1415117a(3) =2009833839

External references