Number of nX6 0..3 arrays avoiding 11 horizontally, 22 vertically, 33 antidiagonally and 00 diagonally.
A229410
Number of nX6 0..3 arrays avoiding 11 horizontally, 22 vertically, 33 antidiagonally and 00 diagonally.
Terms
- a(0) =3105a(1) =2127718a(2) =1519840402
External references
- oeis: A229410