HTML RESULT 
{sequence 25, push='mySequence'}
{pull mySequence, make,   narayana} {$sequence} {/pull}
1 1 1 2 3 4 6 9 13 19 28 41 60 88 129 189 277 406 595 872 1278 1873 2745 4023 5896
{pull mySequence, keep,   narayana} {$sequence} {/pull}
1 2 3 4 6 9 13 19
{pull mySequence, remove, narayana} {$sequence} {/pull}
5 7 8 10 11 12 14 15 16 17 18 20 21 22 23 24 25
{pull mySequence, flag,   narayana} {$sequence} {/pull}
1 1 1 1 0 1 0 0 1 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 0