Number of n X n 0..1 arrays avoiding 0 0 0 and 1 0 1 horizontally and 0 0 1 and 1 1 0 vertically.
A207301
Number of n X n 0..1 arrays avoiding 0 0 0 and 1 0 1 horizontally and 0 0 1 and 1 1 0 vertically.
Terms
- a(0) =2a(1) =16a(2) =98a(3) =643a(4) =3773a(5) =23091a(6) =154228a(7) =1050811a(8) =7236644a(9) =51776044a(10) =383107149a(11) =2907310903a(12) =22583670553a(13) =180085426836
External references
- oeis: A207301