Article URL: https://en.wikipedia.org/wiki/Experimental_mathematics
Comments URL: https://news.ycombinator.com/item?id=34088416
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approach to mathematics in which computation is used to investigate mathematical objects and identify properties and patterns

The division of the chromatic scale in $7$ natural notes (white keys in a piano) and $5$ accidental ones (black) seems a bit arbitrary to me.

Apparently, adjacent notes in a piano (including white...

Mathematical Coincidence