20163037412domain: NAppears in sequencesNumber of nX4 0..2 arrays avoiding the pattern z-1 z-1 z in any row, column or nw-to-se diagonal.at n=5A206730Number of nX6 0..2 arrays avoiding the pattern z-1 z-1 z in any row, column or nw-to-se diagonal.at n=3A206732