Number of (n+1)X(7+1) 0..3 arrays with no 2X2 subblock having x11-x00 less than x10-x01.
A251800
Number of (n+1)X(7+1) 0..3 arrays with no 2X2 subblock having x11-x00 less than x10-x01.
Terms
- a(0) =4206453a(1) =1271711747a(2) =413630526506
External references
- oeis: A251800