[attachment=0:uikdj72a]<!-- ia0 -->2014-07-06_23-34-23.jpg<!-- ia0 -->[/attachment:uikdj72a]
Open File category_items.php or category_items_html5.php
After
add
<th id="flexi_num" scope="col"><?php echo JText::_( '#' ); ?></th>
and after
<tr id="tablelist_item_<?php echo $i; ?>" class="<?php echo $fc_item_classes; ?>">
add
<td><?php echo ++$i; ?></td>
[attachment=1:uikdj72a]<!-- ia1 -->2014-07-06_23-32-18.jpg<!-- ia1 -->[/attachment:uikdj72a]