naci numbers</a> using</p>
<div class="sourceCode" id="cb1"><pre class="sourceCode r"><code class="sourceCode r"><a class="sourceLine" id="cb1-1" data-line-number="1">fibs &lt;-<span class="st"> </span>{</a>
<a class="sourceLine" id="cb1-2" data-line-number="2">    F[<span class="dv">1</span>] &lt;-<span class="st"> </span><span class="dv">1</span></a>
<a class="sourceLine" id="cb1-3" data-line-number="3">    F[<span class="dv">2</span>] &lt;-<span class="st"> </span><span class="dv">1</span></a>
<a class="