12584703domain: NAppears in sequencesNumber of n X n 0..2 arrays avoiding the pattern z z+1 z in any row or column.at n=3A207215Number of nX4 0..2 arrays avoiding the pattern z z+1 z in any row or column.at n=3A207217T(n,k)=Number of nXk 0..2 arrays avoiding the pattern z z+1 z in any row or column.at n=24A207221