41204198domain: 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=3A237388T(n,k)=Number of (n+1)X(k+1) 0..2 arrays colored with the maximum plus the upper median minus the minimum of every 2X2 subblock.at n=24A237391