Number of nX6 0..3 arrays avoiding the pattern z z+1 z in any row, column or nw-to-se diagonal.
A206965
Number of nX6 0..3 arrays avoiding the pattern z z+1 z in any row, column or nw-to-se diagonal.
Terms
- a(0) =3361a(1) =11296321a(2) =24271094606
External references
- oeis: A206965