[tex]a = 1 = > \frac{471}{1161} \\ a = 2 = > \frac{472}{1262} \\ a = 3 = > \frac{473}{1363} \\ a = 4 = > \frac{474}{1464} \\ a = 5 = > \frac{475}{1565} \\ a = 6 = > \frac{476}{1666} \\ a = 7 = > \frac{477}{1767} \\ a = 8 = > \frac{478}{1868} \\ a = 9 = > \frac{479}{1969} [/tex]
