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