Number of nX6 0..2 arrays avoiding the pattern z-2 z-1 z in any row, column or nw-to-se diagonal.
A207315
Number of nX6 0..2 arrays avoiding the pattern z-2 z-1 z in any row, column or nw-to-se diagonal.
Terms
- a(0) =622a(1) =386884a(2) =174545777a(3) =76655305645
External references
- oeis: A207315