Number of (7+1)X(n+1) 0..3 arrays with no 2X2 subblock having x11-x00 less than x10-x01.
A251807
Number of (7+1)X(n+1) 0..3 arrays with no 2X2 subblock having x11-x00 less than x10-x01.
Terms
- a(0) =305991368a(1) =310512400748
External references
- oeis: A251807