Number of nX7 0..3 arrays avoiding 11 horizontally, 22 vertically, 33 antidiagonally and 00 diagonally.
A229411
Number of nX7 0..3 arrays avoiding 11 horizontally, 22 vertically, 33 antidiagonally and 00 diagonally.
Terms
- a(0) =11772a(1) =22684613a(2) =46408035676
External references
- oeis: A229411