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

A237937

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

Terms

    a(0) =81a(1) =5519a(2) =2020033a(3) =4202495253

External references