Home›Triangles of numbers›三角配列🌐日本語EnglishFrançaisPortuguêsالعربية日本語EntityQ7840129· pop 5· linked from 85 articles三角配列doubly indexed sequence of numbers, polynomials, etc., in which each row is only as long as the row's own indexAvailable in 5 languagesFrançaisالعربيةArmenianRomanianvia Wikidata sitelinks · CC0ConnectionsInternational Standard Book NumberEntitynatural numberEntityCategoriesTriangles of numbers