Number of n X n 0..1 arrays avoiding 0 0 1 and 0 1 0 horizontally and 0 0 1 and 1 1 0 vertically.
A207387
Number of n X n 0..1 arrays avoiding 0 0 1 and 0 1 0 horizontally and 0 0 1 and 1 1 0 vertically.
Terms
- a(0) =2a(1) =16a(2) =98a(3) =643a(4) =5348a(5) =42167a(6) =335915a(7) =2975974a(8) =27237128a(9) =254712604a(10) =2518233755a(11) =25906520150a(12) =274611244775
External references
- oeis: A207387