Number of (n+1)X(2+1) 0..3 arrays with no 2X2 subblock having x11-x00 less than x10-x01.
A251795
Number of (n+1)X(2+1) 0..3 arrays with no 2X2 subblock having x11-x00 less than x10-x01.
Terms
- a(0) =1080a(1) =28932a(2) =724300a(3) =18577404a(4) =474547100a(5) =12140516092a(6) =310512400748
External references
- oeis: A251795