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