130602553784domain: NAppears in sequencesNumber of (n+1)X(n+1) binary arrays with every 2X2 subblock trace equal to some horizontal or vertical neighbor 2X2 subblock trace.at n=5A185741Number of (n+1)X7 binary arrays with every 2X2 subblock trace equal to some horizontal or vertical neighbor 2X2 subblock trace.at n=5A185747