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May 18, 2021 at 20:45 history edited Arnauld CC BY-SA 4.0
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May 18, 2021 at 19:19 comment added user100690 Wow. I guess I'll try some of that.
May 18, 2021 at 19:06 comment added Arnauld @ophact Trying \$x^2+y\$ was a total guess. I noticed that \$\lfloor (x^2+y)/40\rfloor\$ was already surprisingly good. I then wrote a small script to fine-tune the formula.
May 18, 2021 at 18:30 comment added user100690 I'm curious, how do you get these insanely precise formulae?
May 18, 2021 at 18:16 history answered Arnauld CC BY-SA 4.0