750471960domain: NAppears in sequencesNumber of (n+1)X(4+1) 0..3 arrays with the maximum plus the upper median plus the lower median of every 2X2 subblock equal.at n=5A236983Number of (n+1)X(6+1) 0..3 arrays with the maximum plus the upper median plus the lower median of every 2X2 subblock equal.at n=3A236985