4792713430domain: NAppears in sequencesNumber of (n+1)X(3+1) 0..2 arrays with the maximum minus the lower median of every 2X2 subblock equal.at n=5A237845Number of (n+1) X (6+1) 0..2 arrays with the maximum minus the lower median of every 2 X 2 subblock equal.at n=2A237848