Number of nX6 0..2 arrays avoiding the pattern z+1 z+1 z horizontally and z-1 z-1 z vertically.
A207356
Number of nX6 0..2 arrays avoiding the pattern z+1 z+1 z horizontally and z-1 z-1 z vertically.
Terms
- a(0) =523a(1) =273529a(2) =92438519a(3) =30147535858
External references
- oeis: A207356