This depends on the file type you selected when generating the sequence file. Default configuration is "binary" and NI does not disclose how data is stored in there.
However, you can change file type to ini or XML. There is no public documentation on how these files are built up, but with a little investigation i am pretty sure that you can understand the sections/keys (ini) or tags (xml).
Norbert
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CEO: What exactly is stopping us from doing this?
Expert: Geometry
Marketing Manager: Just ignore it.