ag-gipp/GoUldI

<?xml version="1.0" ?>
<math type="pom-exported">
  <expression prime-tag="sequence">
    <term prime-tag="letter" secondary-tags="Latin">E</term>
    <expression prime-tag="underscore" secondary-tags="subscript_operation">
      <expression prime-tag="sequence" secondary-tags="subscript">
        <term prime-tag="digit" secondary-tags="numeric">2</term>
        <term prime-tag="letter" secondary-tags="Latin">n</term>
        <term prime-tag="plus">+</term>
        <term prime-tag="digit" secondary-tags="numeric">1</term>
      </expression>
    </expression>
    <term prime-tag="equals">=</term>
    <term prime-tag="digit" secondary-tags="numeric">0</term>
  </expression>
</math>