       <td>1 if not leaf node (b)</td>
      </tr>
      <tr>
        <td class="numeric">0x25</td>
        <td class="numeric">3</td>
        <td>Padding (always zero)</td>
      </tr>
      <tr>
        <td class="numeric">0x28</td>
        <td class="numeric">2</td>
        <td>Update sequence</td>
      </tr>
      <tr>
        <td class="numeric">0x2A</td>
        <td class="numeric">2S-2</td>
        <td>Update sequence array</td>
      </tr>
    </table>

    <pre>(a) These values are relative to 0x1