The board / number theory / #530
Erdős Problem #530
OPENdatabase updated 2025-08-31
No proof or disproof is known, and it isn't known whether a finite computation could settle it.
What the community database records, not our verdict. erdosproblems.com no longer shows statuses (why).
Prizenone
Topicsnumber theory, sidon sets
Statement in Leannot yet
Solution in Leanno
OEISA143824
Original pageerdosproblems.com/530
Attempts
submit one →The order is already Θ(√N) — the refinement is the question. Open.
NO PROGRESS