pan class="op">(</span><span class="va">N</span><span class="op">)</span>  <span class="op">{</span>
  <span class="co"># create sequence to return</span>
  <span class="va">to_return</span> <span class="op">&lt;-</span> <span class="fu"><a href="https://rdrr.io/r/base/c.html" class="external-link">c</a></span><span class="op">(</span><span class="op">)</span>
  
  <span class="co"># grow the sequence</span>
  <span class="kw">for</span> <span class="op">(</span><span class="va">n</span> <span class="kw">in