1684255298domain: NAppears in sequencesNumber of (n+1) X (5+1) 0..2 arrays with the upper median plus the lower median minus the minimum of every 2 X 2 subblock equal.at n=5A236786Number of (n+1)X(6+1) 0..2 arrays with the upper median plus the lower median minus the minimum of every 2X2 subblock equal.at n=4A236787