🌐EnglishEnglishEspañolFrançaisNederlandsРусский한국어EntityQ724511· pop 7· linked from 14 articlesmeanderself-avoiding closed curve which intersects a line a number of timesAvailable in 7 languagesEspañolFrançaisРусскийHungarianNederlands한국어via Wikidata sitelinks · CC0ConnectionspermutationEntitymathematicsEntityCategoriesCombinatoricsInteger sequences