cuboids with integer edge lengths? Catalan? https://arxiv.org/abs/1706.01970 /Ortoedres amb longitud d'arestes enteres/ by Daniel Blasi Babot
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cuboids with integer edge lengths? Catalan? https://arxiv.org/abs/1706.01970 /Ortoedres amb longitud d'arestes enteres/ by Daniel Blasi Babot