57597474709domain: NAppears in sequencesNumber of (n+1)X(3+1) 0..2 arrays with the maximum minus the minimum of every 2X2 subblock equal.at n=5A237940Number of (n+1)X(6+1) 0..2 arrays with the maximum minus the minimum of every 2X2 subblock equal.at n=2A237943