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Erdős problem 1004

For any fixed c > 0, if x is sufficiently large then there exists n ≤ x such that the values of φ(n+k) are all distinct for 1 ≤ k ≤ (log x)^c. This is an open problem.
Retained from Formal Conjectures · not edited here
Formal statements
1 open · 1 solved
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open
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Accepted in Vela Mathematics Program

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