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Erdős problem 221

Is there a set ANA\subset\mathbb{N} such that, for all large NN, A{1,,N}N/logN\lvert A\cap\{1,\ldots,N\}\rvert \ll N/\log N and such that every large integer can be written as 2k+a2^k+a for some k0k\geq 0 and aAa\in A?

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Problem row
sha256:7a80f3ac9c12cb8c36c72c17bb7d8710ec54fb3153bdfe3cc69baec1875a6b66
Metadata
sha256:20043d1746a8e1f167bd0118d7c2d6f049f188fa51fc9a2232428cdcd4b9d81a
Observation
sha256:8c823d621b7e1256c8e47c60a5f1c54c016a5507e6f27b2bab537f6f5f232067
Content
sha256:62fa3edccd860f96cd5a189a1498ccf4975016471a3bb13eb287b70e0e3d3a1c
Repository
sha256:a956b84c437202e5a02cc9e036a621bd14a302b34a75758115730bdbb77c52a4
Projection
sha256:c9d14c459c518937e758918b5897dc3b22f1a55f07739afe99502f5b046c907a
Source commit
2415f78e850aeee50afdca525c6f2e0ea606f207

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