KeepRemoveFlag/recaman

HTML	RESULT
{sequence 25, push='mySequence'}
{pull mySequence, make, recaman} {$sequence} {/pull}	0 1 3 6 2 7 13 20 12 21 11 22 10 23 9 24 8 25 43 62 42 63 41 18 42
{pull mySequence, keep, recaman} {$sequence} {/pull}	1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 20 21 22 23 24 25
{pull mySequence, remove, recaman} {$sequence} {/pull}	19
{pull mySequence, flag, recaman} {$sequence} {/pull}	1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 1 1 1 1 1 1