Number of nX7 0..2 arrays avoiding the pattern z-2 z-1 z in any row, column or nw-to-se diagonal.
A207316
Number of nX7 0..2 arrays avoiding the pattern z-2 z-1 z in any row, column or nw-to-se diagonal.
Terms
- a(0) =1791a(1) =3207681a(2) =3908531208
External references
- oeis: A207316