Characterizations and Identities for Isosceles Triangular Numbers. European Journal of Pure and Applied Mathematics, Maryland, USA, v. 14, n. 2, p. 380–395, 2021. DOI: 10.29020/nybg.ejpam.v14i2.3952. Disponível em: https://www.ejpam.com/index.php/ejpam/article/view/3952.. Acesso em: 2 may. 2024.