Number of n X n binary arrays without the pattern 0 0 1 1 diagonally, vertically, antidiagonally or horizontally.

A189899

Number of n X n binary arrays without the pattern 0 0 1 1 diagonally, vertically, antidiagonally or horizontally.

Terms

    a(0) =2a(1) =16a(2) =512a(3) =35656a(4) =6442436a(5) =2719427244

External references