87381878025domain: NAppears in sequencesNumber of (n+1)X(n+1) 0..2 arrays with the number of clockwise edge increases in every 2X2 subblock the same.at n=4A205902Number of (n+1)X6 0..2 arrays with the number of clockwise edge increases in every 2X2 subblock the same.at n=4A205906