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Square Eulerian Quadruples

Allan J. MacLeod
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Abstract

We consider the problem of finding 4 rational squares, such that the product of any two plus the sum of the same two always gives a square. We give some historical background and exhibit one such quadruple.

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Allan J. MacLeod. 2006-09-05. Square Eulerian Quadruples. https://arxiv.org/abs/math/0609127

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