Number of n X n 0..1 arrays avoiding 0 0 1 and 1 0 0 horizontally and 0 0 1 and 1 0 1 vertically.
A209645
Number of n X n 0..1 arrays avoiding 0 0 1 and 1 0 0 horizontally and 0 0 1 and 1 0 1 vertically.
Terms
- a(0) =2a(1) =16a(2) =102a(3) =630a(4) =4690a(5) =34012a(6) =287140a(7) =2364992a(8) =22028490a(9) =200930125a(10) =2026692954a(11) =20118254688a(12) =217071252489
External references
- oeis: A209645