Number of n X n 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 0 0 and 0 1 1 vertically.
A208415
Number of n X n 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 0 0 and 0 1 1 vertically.
Terms
- a(0) =2a(1) =16a(2) =102a(3) =1269a(4) =18395a(5) =365094a(6) =8948825a(7) =295643872a(8) =11569038318a(9) =627185978622
External references
- oeis: A208415