265284773176domain: NAppears in sequencesNumber of (n+1)X6 0..3 arrays with every 2X3 or 3X2 subblock having exactly two clockwise edge increases.at n=5A206060Number of (n+1)X7 0..3 arrays with every 2X3 or 3X2 subblock having exactly two clockwise edge increases.at n=4A206061