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Erdős problem 940

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Let r≥3r \ge 3. Is it true that the set of integers which are the sum of at most rr rr-powerful numbers has density 00?

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Problem row
sha256:394051b380c65bcbdc8c8f50437c471ca9f713e1800bbff440d55a2535caefaf
Metadata
sha256:59cf81dc84221ce0673e932d45d5b163a9a97c7f1a9f8206108663d71b193827
Observation
sha256:9c8326e865b6017b103af7611c852a06776d81964979b8ab5a1b800cd550dff6
Content
sha256:47fa3dd01cf61a34432cd1334f7b5ed0def4373fee91427d8238d248707d43d7
Repository
sha256:a956b84c437202e5a02cc9e036a621bd14a302b34a75758115730bdbb77c52a4
Projection
sha256:a4a96441668a9f8b33afbcb3f696a2639f5fae145f36ddc063d7f67d5fb87ce8
Source commit
36c6d0fef71a3fec84d9dcd5eeca4e22e378f7cb
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