Number of n X n 0..1 arrays avoiding 0 0 0 and 0 1 1 horizontally and 0 1 1 and 1 1 0 vertically.
A207482
Number of n X n 0..1 arrays avoiding 0 0 0 and 0 1 1 horizontally and 0 1 1 and 1 1 0 vertically.
Terms
- a(0) =2a(1) =16a(2) =82a(3) =530a(4) =4041a(5) =26980a(6) =268275a(7) =2555724a(8) =30415590a(9) =441509828a(10) =8373148373a(11) =212120269939
External references
- oeis: A207482