30334449677domain: NAppears in sequencesNumber of (n+1) X (7+1) 0..2 arrays with no 2 X 2 subblock having x11-x00 less than x10-x01.at n=3A251064Number of (4+1)X(n+1) 0..2 arrays with no 2X2 subblock having x11-x00 less than x10-x01.at n=6A251068