Number of nX6 0..2 arrays avoiding 11 horizontally, 22 vertically and 00 antidiagonally.
A229370
Number of nX6 0..2 arrays avoiding 11 horizontally, 22 vertically and 00 antidiagonally.
Terms
- a(0) =448a(1) =19675a(2) =1067299a(3) =56939585a(4) =3043629267a(5) =162794962814
External references
- oeis: A229370