It's literally an xkcd, #882 https://xkcd.com/882/
There's a large literature of people looking for non-randomness in pi, and failing.
If you try 50,000 different tests, with a z-score of 3.29 then 0.1% - 50 of them - will give false positives.
There's a large literature of people looking for non-randomness in pi, and failing.
If you try 50,000 different tests, with a z-score of 3.29 then 0.1% - 50 of them - will give false positives.