39556394domain: NAppears in sequencesNumber of (n+1) X (4+1) 0..2 arrays colored with the difference of the upper median and the minimum in each 2 X 2 subblock.at n=5A236061Number of (n+1)X(6+1) 0..2 arrays colored with the difference of the upper median and the minimum in each 2X2 subblock.at n=3A236063