🌐EnglishEnglishDeutschEspañolFrançaisItalianoPolskiPortuguêsSvenskaTiếng ViệtРусскийالعربيةفارسیไทย中文日本語EntityQ1087829· pop 19· linked from 10 articlesPrüfer sequencemathematical sequenceAvailable in 18 languagesEspañolFrançaisDeutsch中文日本語РусскийالعربيةDanishHebrewHungarianPolskiConnectionsmathematicsEntitydigital object identifierEntityCategoriesEnumerative combinatoricsTrees (graph theory)