25829139276domain: NAppears in sequencesNumber of (n+1)X(4+1) 0..3 arrays with the maximum plus the upper median minus the lower median of every 2X2 subblock equal.at n=4A237395Number of (n+1) X (5+1) 0..3 arrays with the maximum plus the upper median minus the lower median of every 2 X 2 subblock equal.at n=3A237396