Number of n X n 0..1 arrays avoiding 0 1 0 horizontally and 1 0 1 vertically.
A206877
Number of n X n 0..1 arrays avoiding 0 1 0 horizontally and 1 0 1 vertically.
Terms
- a(0) =2a(1) =16a(2) =230a(3) =6478a(4) =472412a(5) =87541530a(6) =37121455086
External references
- oeis: A206877