76964941511domain: NAppears in sequencesNumber of n X n 0..2 arrays avoiding the pattern z+1 z+1 z horizontally and z-1 z-1 z vertically.at n=4A207352Number of nX5 0..2 arrays avoiding the pattern z+1 z+1 z horizontally and z-1 z-1 z vertically.at n=4A207355