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Erdős problem 867

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Is it true that if A={a1<⋯<at}⊆{1,…,N}A=\{a_1<\cdots <a_t\}\subseteq \{1,\ldots,N\} has no solutions to ai+ai+1+⋯+aj∈Aa_i+a_{i+1}+\cdots+a_j\in A then ∣A∣≤N2+O(1)?\lvert A\rvert \leq \frac{N}{2}+O(1)?

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Technical detailsExact roots, source, and retained record identifiers

Exact provenance

Problem row
sha256:a37bc08a5174e158564f094e5d4497fa9010f7033cb17a3918074f336e78b3aa
Metadata
sha256:9fcf2c8da0569320de98df71564d3f8944d1a9714c249a1a3cb662f56dae7ec8
Observation
sha256:9c8326e865b6017b103af7611c852a06776d81964979b8ab5a1b800cd550dff6
Content
sha256:45c3bbb1d1ab899116edb15865132c1c21ad13b1f1841a717987e14266bae486
Repository
sha256:a956b84c437202e5a02cc9e036a621bd14a302b34a75758115730bdbb77c52a4
Projection
sha256:a4a96441668a9f8b33afbcb3f696a2639f5fae145f36ddc063d7f67d5fb87ce8
Source commit
36c6d0fef71a3fec84d9dcd5eeca4e22e378f7cb
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