data/pom/237.xml
<?xml version="1.0" ?>
<math type="pom-exported">
<expression prime-tag="sequence">
<term prime-tag="letter" secondary-tags="Latin">h</term>
<expression prime-tag="underscore" secondary-tags="subscript_operation">
<term prime-tag="letter" secondary-tags="Latin">i</term>
</expression>
<term prime-tag="equals">=</term>
<term prime-tag="operator">\sum</term>
<expression prime-tag="underscore" secondary-tags="subscript_operation">
<term prime-tag="letter" secondary-tags="Latin">j</term>
</expression>
<term prime-tag="letter" secondary-tags="Latin, accented">w</term>
<expression prime-tag="underscore" secondary-tags="subscript_operation">
<term prime-tag="alphanumeric">ij</term>
</expression>
<term prime-tag="letter" secondary-tags="Latin">s</term>
<expression prime-tag="underscore" secondary-tags="subscript_operation">
<term prime-tag="letter" secondary-tags="Latin">j</term>
</expression>
</expression>
</math>