lass='r-in'><span class='va'>test_vec3</span> <span class='op'>&lt;-</span> <span class='fu'><a href='https://rdrr.io/r/base/c.html'>c</a></span><span class='op'>(</span><span class='fl'>1</span>,<span class='fl'>1</span>,<span class='fl'>2</span>,<span class='fl'>3</span>,<span class='fl'>5</span>,<span class='fl'>7</span>,<span class='fl'>11</span>,<span class='fl'>7</span>,<span class='fl'>5</span>,<span class='fl'>7</span>,<span class='fl'>8</span>,<span class='fl'>9</span>,<span class='fl'>5</span><spa