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Erdős problem 418

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Are there infinitely many integers not of the form n−ϕ(n)n - \phi(n)?

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Technical detailsExact roots, source, and retained record identifiers

Exact provenance

Problem row
sha256:ef43a7ff51e5ba1c28891b62f05ebc5cb6d7db402bddcebfee6642b0497899a7
Metadata
sha256:2f679badcfe255a6bcdbb1858aba42ed22754e361722105cef5b0bf11dcbcc8f
Observation
sha256:9c8326e865b6017b103af7611c852a06776d81964979b8ab5a1b800cd550dff6
Content
sha256:d74f1f0850acb5875c445cd23d2f1c37e0a35d3336d9511c7032aa0dbe3b0a99
Repository
sha256:a956b84c437202e5a02cc9e036a621bd14a302b34a75758115730bdbb77c52a4
Projection
sha256:a4a96441668a9f8b33afbcb3f696a2639f5fae145f36ddc063d7f67d5fb87ce8
Source commit
36c6d0fef71a3fec84d9dcd5eeca4e22e378f7cb
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