Home›Browse›Pell number🌐EnglishEnglishDeutschEspañolFrançaisNederlandsPolskiPortuguêsРусскийالعربية한국어中文日本語EntityQ1386491· pop 22· linked from 385 articlesPell numberSign in to savedenominator of close rational approximation to the square root of 2Available in 22 languagesEspañolFrançaisDeutsch中文日本語РусскийالعربيةArmenianBanglaCatalanGalicianGreekHebrewNederlandsPolskiRomanianSerbianUkrainianShow 3 morewikifunctionszh_yue한국어via Wikidata sitelinks · CC0