This is true, they're called Ulam spirals. But the reasons for these patterns appearing are afaik pretty well understood (I forget exactly how but it wasn't har

This is true, they're called Ulam spirals. But the reasons for these patterns appearing are afaik pretty well understood (I forget exactly how but it wasn't hard to get a grasp of why they are there). Though these patterns are pretty noisy still. https://en.wikipedia.org/wiki/Ulam_spiral https://en.wikipedia.org/wiki/Ulam_spiral