Number of nX3 0..2 arrays avoiding the pattern z-1 z-1 z in any row or column.
A207196
Number of nX3 0..2 arrays avoiding the pattern z-1 z-1 z in any row or column.
Terms
- a(0) =25a(1) =625a(2) =12534a(3) =247002a(4) =4841210a(5) =94815963a(6) =1858463962a(7) =36432515728a(8) =714296094954
External references
- oeis: A207196