Play/single/add

HTML	RESULT
{sequence even, rows=5} {$sequence} {/sequence}	2 4 6 8 10
{sequence add=4, rows=10} {$sequence} {/sequence}	5 6 7 8 9 10 11 12 13 14
{sequence even, add=4, rows=5} {$sequence} {/sequence}	6 8 10 12 14