159327093domain: NAppears in sequencesNumber of n X n 0..1 arrays avoiding 0 0 0 horizontally and 1 0 1 vertically.at n=5A206865Number of nX6 0..1 arrays avoiding 0 0 0 horizontally and 1 0 1 vertically.at n=5A206869Number of 6 X n 0..1 arrays avoiding 0 0 0 horizontally and 1 0 1 vertically.at n=5A206875