Loop with odd sequence

Question

How to write loop with odd sequence in Apache FreeMarker template?

for example:

<#list seq as n>
    ...?
   ${n_index}
</#list>

As result: 1,3,4,5..

Answer 1

Use the Modulus operator.

<#list seq as n>
   <#if n % 2 == 1>
       <#-- your code here -->
   </#if>

</#list>