{sequence even, rows=5} {$sequence} {/sequence}
2 4 6 8 10
{sequence centeredHexagonal, rows=10} {$sequence} {/sequence}
1 7 19 37 61 91 127 169 217 271
{sequence even, centeredHexagonal, rows=5} {$sequence} {/sequence}
7 37 91 169 271