Play/single/not

HTML	RESULT
{sequence even, rows=5} {$sequence} {/sequence}	2 4 6 8 10
{sequence not, rows=10} {$sequence} {/sequence}	-2 -3 -4 -5 -6 -7 -8 -9 -10 -11
{sequence even, not, rows=5} {$sequence} {/sequence}	-3 -5 -7 -9 -11