Number of nX7 0..3 arrays avoiding the pattern z z+1 z in any row, column or nw-to-se diagonal.
A206966
Number of nX7 0..3 arrays avoiding the pattern z z+1 z in any row, column or nw-to-se diagonal.
Terms
- a(0) =12793a(1) =163660849
External references
- oeis: A206966