Number of nX6 0..3 arrays avoiding the pattern z-1 z-1 z in any row, column or nw-to-se diagonal.
A206575
Number of nX6 0..3 arrays avoiding the pattern z-1 z-1 z in any row, column or nw-to-se diagonal.
Terms
- a(0) =3353a(1) =11242609a(2) =24071410239
External references
- oeis: A206575