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Erdős problem 1148

Can every large integer nn be written as n=x2+y2−z2n=x^2+y^2-z^2 with max⁡(x2,y2,z2)≤n\max(x^2,y^2,z^2)\leq n?
Retained from Formal Conjectures · not edited here
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Accepted in Vela Mathematics Program

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