Number of n X n 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 0 1 and 1 1 0 vertically.
A208282
Number of n X n 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 0 1 and 1 1 0 vertically.
Terms
- a(0) =2a(1) =16a(2) =102a(3) =984a(4) =9900a(5) =119580a(6) =1604862a(7) =24229696a(8) =403795242a(9) =7388858420a(10) =147219127000
External references
- oeis: A208282