Number of (n+1)X(n+1) 0..1 arrays with no 2X2 subblock having x11-x00 less than x10-x01.

A251261

Number of (n+1)X(n+1) 0..1 arrays with no 2X2 subblock having x11-x00 less than x10-x01.

Terms

    a(0) =11a(1) =114a(2) =1667a(3) =32636a(4) =790734a(5) =22806904a(6) =760734085a(7) =28749778264

External references