Number of n X n 0..1 arrays avoiding 0 0 0 horizontally and 1 1 1 vertically.
A206988
Number of n X n 0..1 arrays avoiding 0 0 0 horizontally and 1 1 1 vertically.
Terms
- a(0) =2a(1) =16a(2) =174a(3) =6510a(4) =516724a(5) =88819714a(6) =37849652838
External references
- oeis: A206988