Number of nX6 0..2 arrays avoiding the pattern z z+1 z horizontally and z z-1 z vertically.
A207987
Number of nX6 0..2 arrays avoiding the pattern z z+1 z horizontally and z z-1 z vertically.
Terms
- a(0) =529a(1) =279841a(2) =95527856a(3) =31638012071
External references
- oeis: A207987