106118138domain: NAppears in sequencesNumber of (n+1)X(3+1) 0..1 arrays with each 2X2 subblock having clockwise pattern 0000 0001 0011 or 0111.at n=6A259422Number of (n+1) X (7+1) 0..1 arrays with each 2 X 2 subblock having clockwise pattern 0000 0001 0011 or 0111.at n=2A259426