Problem 52764. Easy Sequences 24: Number of Coprime Lattice Points

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Solution 6611739

Submitted on 30 Sep 2021 by Are Mjaavatten

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Rafael S.T. Vieira on 25 Nov 2022

Nice solution using the Euler's totient function. I've tried it too, but I couldn't figure out a friendly algorithm like this. I've resorted to my probability knowledge :)

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Problem 52764. Easy Sequences 24: Number of Coprime Lattice Points

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