Problem

erdos:835

∀ {k : ℕ}, 3 ≤ k → k ≤ 8 → ↑k + 1 < (SimpleGraph.johnson (2 * k) k).chromaticNumber

Open Current State

Declared status: verifiable
Formalization: formalized
Subjects: graph theoryhypergraphs
OEIS: N/A
Sources: source:erdos-ai-contributions-wikisource:erdos-problemssource:formal-conjectures
Statement: www.erdosproblems.com

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