Number of n X n 0..1 arrays avoiding 0 0 1 and 0 1 0 horizontally and 0 0 1 and 1 0 0 vertically.
A207435
Number of n X n 0..1 arrays avoiding 0 0 1 and 0 1 0 horizontally and 0 0 1 and 1 0 0 vertically.
Terms
- a(0) =2a(1) =16a(2) =108a(3) =1360a(4) =41092a(5) =2405923a(6) =284247216a(7) =68394049216
External references
- oeis: A207435