Number of n X n binary arrays without the pattern 0 0 1 diagonally, antidiagonally or horizontally.
A189257
Number of n X n binary arrays without the pattern 0 0 1 diagonally, antidiagonally or horizontally.
Terms
- a(0) =2a(1) =16a(2) =280a(3) =8900a(4) =552752a(5) =68635317a(6) =17747766886
External references
- oeis: A189257