Pruebe esta parte del código:
$i = 0; while($row=mysql_fetch_array($sql)){
$i++;
echo "<tr>";
echo "<td width='auto' bgcolor=”#FF0000 ″>" . " ". "<b>" . $i . " ". "<b/>". "</td>";
echo "<td width='auto'>" . " " . $row[1] . " " . "</td>";
echo "<td width='auto'>". "</td>";
echo "<td width='auto'>" . " ". "<i>" . $row[2] . "<i/>". " " . "</td>";
echo "<td width='auto'>" . " ". "<i>" . $row[3] . "<i/>". " " . "</td>";
echo "</tr>";
}