Number of nX7 0..2 arrays avoiding the patterns z z+1 z or z z-1 z in any row or column.
A207014
Number of nX7 0..2 arrays avoiding the patterns z z+1 z or z z-1 z in any row or column.
Terms
- a(0) =1121a(1) =1256641a(2) =555815721a(3) =303753655993
External references
- oeis: A207014