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xkcd #3137: Cursed Number
(imgs.xkcd.com)
Title text:
Another group of mathematicians is working to put an upper bound on the number, although everyone keeps begging them to stop.
Transcript:
Transcript will show once it’s been added to explainxkcd.com
Source: https://xkcd.com/3137/
Actually, this isn't useful, so we still let it be called "math".