🌐EnglishEnglishEspañolItalianoРусский中文日本語EntityQ5597086· pop 7· linked from 27 articlesgraph enumerationclass of combinatorial enumeration problemsAvailable in 7 languagesEspañolРусскийItalianoHungarianRomanianUkrainianvia Wikidata sitelinks · CC0ConnectionsgraphEntitydirected graphEntityCategoriesEnumerative combinatoricsGraph enumeration