Number of n X 6 0..3 arrays avoiding the patterns z z+1 z or z z-1 z in any row, column or nw-se diagonal.
A207477
Number of n X 6 0..3 arrays avoiding the patterns z z+1 z or z z-1 z in any row, column or nw-se diagonal.
Terms
- a(0) =2902a(1) =8421604a(2) =9918542118
External references
- oeis: A207477