629612266domain: NAppears in sequencesNumber of (n+1) X (4+1) 0..2 arrays colored with the maximum plus the upper median minus the minimum of every 2 X 2 subblock.at n=4A237388Number of (n+1)X(5+1) 0..2 arrays colored with the maximum plus the upper median minus the minimum of every 2X2 subblock.at n=3A237389