Home›Browse›Grötzsch graph🌐EnglishEnglishDeutschFrançaisРусский中文日本語EntityQ3115494· pop 5· linked from 17 articlesGrötzsch graphSign in to saveAlso known as Mycielski–Grötzsch graphtriangle-free graph requiring four colorsAvailable in 4 languagesFrançaisРусскийUkrainianvia Wikidata sitelinks · CC0