74525190422domain: NAppears in sequencesNumber of (n+1)X(4+1) 0..2 arrays with the upper median unequal to the lower median in every 2X2 subblock.at n=5A236274Number of (n+1)X(6+1) 0..2 arrays with the upper median unequal to the lower median in every 2X2 subblock.at n=3A236276