90497940567domain: NAppears in sequencesNumber of n X n 0..1 arrays avoiding 0 0 0 horizontally and 1 0 1 vertically.at n=6A206865Number of nX7 0..1 arrays avoiding 0 0 0 horizontally and 1 0 1 vertically.at n=6A206870Number of 7Xn 0..1 arrays avoiding 0 0 0 horizontally and 1 0 1 vertically.at n=6A206876