Number of n X n 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 0 1 and 0 1 1 vertically.
A208113
Number of n X n 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 0 1 and 0 1 1 vertically.
Terms
- a(0) =2a(1) =16a(2) =90a(3) =625a(4) =7315a(5) =130321a(6) =1432600a(7) =17850625a(8) =339961440a(9) =8208541201a(10) =137250396283
External references
- oeis: A208113