{sequence 25, push='mySequence'}
{pull mySequence, make, sylvester} {$sequence} {/pull}
2 3 7 43 1807 3263443 10650056950807
{pull mySequence, keep, sylvester} {$sequence} {/pull}
2 3 7
{pull mySequence, remove, sylvester} {$sequence} {/pull}
1 4 5 6 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25
{pull mySequence, flag, sylvester} {$sequence} {/pull}
0 1 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0