{sequence even, rows=5} {$sequence} {/sequence}
2 4 6 8 10
{sequence enneadecagonal, rows=10} {$sequence} {/sequence}
1 19 54 106 175 261 364 484 621 775
{sequence even, enneadecagonal, rows=5} {$sequence} {/sequence}
19 106 261 484 775