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Summing the first n odd positive integers yields n^2. For twisty puzzle enthusiasts, an interesting consequence of this is that a Pyraminx has the same number of stickers per face as a Rubik's Cube, a Master Pyraminx has the same number of stickers per face as a Rubik's Master Cube, and so on.
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@Rob@jsreed5.org That’s actually pretty interesting 🤔