Number of n X n 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 1 1 and 1 1 0 vertically.

A208102

Number of n X n 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 1 1 and 1 1 0 vertically.

Terms

    a(0) =2a(1) =16a(2) =78a(3) =361a(4) =6235a(5) =261121a(6) =4747545a(7) =90782784a(8) =18473477832

External references