hese correspond to levels 2 through 6
            respectively.  If <em class="parameter"><code>base</code></em> is 3 and <em class="parameter"><code>max</code></em> is 5, then only mipmap levels
            <math overflow="scroll">

                <mrow>
                    <mn>8</mn>
                    <mo>×</mo>
                    <mn>4</mn>
                </mrow>
            </math>,
            <math overflow="scroll">

                <mrow>
                    <mn>4</mn>
                    <mo>