The two-color Ramsey number R(3,6) equals 18.

Claim · e0d002ea

extracted confidence 1.00 e0d002ea

46d old

Evidence

citation Proved by G. Kery in 1964 (survey DS1, section 2.1(c): 'Kery proved that R(3,6)=18 in 1964'; an elementary English-language proof appeared only in 2007). Attributed to [Kery] in DS1 Table Ia.

Provenance

extracted, from Ramsey egy grafelmeleti tetelerol (On a theorem of Ramsey in graph theory) (Matematikai Lapok, vol. 15, pp. 204-224, 1964) · 2026-07-05 01:19

mathramsey-theory

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