Number of n X n 0..1 arrays avoiding 0 0 1 and 0 1 0 horizontally and 0 1 1 and 1 1 0 vertically.
A207558
Number of n X n 0..1 arrays avoiding 0 0 1 and 0 1 0 horizontally and 0 1 1 and 1 1 0 vertically.
Terms
- a(0) =2a(1) =16a(2) =92a(3) =636a(4) =9568a(5) =138017a(6) =3275898a(7) =100565794a(8) =5427850334a(9) =274972547840
External references
- oeis: A207558