{sequence even, rows=5} {$sequence} {/sequence}
2 4 6 8 10
{sequence icosihenagonal, rows=10} {$sequence} {/sequence}
1 21 60 118 195 291 406 540 693 865
{sequence even, icosihenagonal, rows=5} {$sequence} {/sequence}
21 118 291 540 865