64940domain: NAppears in sequencesProbable extension of A013704.at n=34A025495Number of (n+2)X(3+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000001 00000011 or 00010101.at n=10A260836Number of fixed polyquarcs with n cells.at n=8A392394