918481481856domain: NAppears in sequencesNumber of (n+1)X(4+1) 0..3 arrays colored with the difference of the maximum and the upper median in each 2X2 subblock.at n=4A236116Number of (n+1)X(5+1) 0..3 arrays colored with the difference of the maximum and the upper median in each 2X2 subblock.at n=3A236117