4061242860domain: NAppears in sequencesNumber of (n+1)X(4+1) 0..2 arrays colored with the maximum plus the minimum minus the lower median of every 2X2 subblock.at n=5A237179Number of (n+1)X(6+1) 0..2 arrays colored with the maximum plus the minimum minus the lower median of every 2X2 subblock.at n=3A237181