Number of nX6 0..2 arrays avoiding the pattern z z+1 z in any row or column.
A207219
Number of nX6 0..2 arrays avoiding the pattern z z+1 z in any row or column.
Terms
- a(0) =529a(1) =279841a(2) =97935886a(3) =33403462497
External references
- oeis: A207219