Source authenticated
Erdős Problem #866
h₄(n) = 4 for every n ≥ 331,777, with improved global bounds; the broader problem remains open
Exact FrontierDelta
Prior state unknown→proved
Scope and record
Occurred: Jul 8, 2026
Delta type: SOURCE CLAIM
Assumptions: VibeMathed verification: lean-verified. Publication: announcement. AI contribution: ai-discovered. Imported under CC BY 4.0.
Canonical aliases: Erdős Problem #866 · Erdős #866 · Problem 866
Confidence: Not scored
Registry verification: lean verified · announcement · partial
Attribution
VibeMathed
registry · event recorded by
Demonstrandum multi-agent pipeline
model · ai model contributor
Lineage and corrections
This event attributed to Demonstrandum multi-agent pipeline