🌐EnglishEnglishDeutschFrançaisItalianoSvenskaРусскийالعربية日本語EntityQ2071909· pop 11· linked from 222 articlesSchröder numbermathematical integer sequenceAvailable in 10 languagesFrançaisDeutschРусскийItalianoالعربيةRomanianSlovenianSvenskawikifunctionsvia Wikidata sitelinks · CC0Connectionsprime numberEntityCatalan numberEntityCategoriesEnumerative combinatoricsInteger sequences