Number of n X n 0..1 arrays avoiding 0 0 0 horizontally and 1 0 1 vertically.
A206865
Number of n X n 0..1 arrays avoiding 0 0 0 horizontally and 1 0 1 vertically.
Terms
- a(0) =2a(1) =16a(2) =211a(3) =7675a(4) =728935a(5) =159327093a(6) =90497940567
External references
- oeis: A206865