229977940domain: NAppears in sequencesNumber of (n+1)X(3+1) 0..2 arrays colored with the maximum plus the lower median minus the minimum of every 2X2 subblock.at n=5A236606Number of (n+1)X(6+1) 0..2 arrays colored with the maximum plus the lower median minus the minimum of every 2X2 subblock.at n=2A236609