🌐EnglishEnglishFrançaisРусскийEntityQ17119394· pop 5· linked from 2 articlesDiophantine m-tupletuple of numbers (a₁, a₂, …) such that aᵢaⱼ+1 is a perfect square for every i<jConnectionssquare numberEntityLeonhard EulerEntityCategoriesDiophantine equations