On Fibonacci and k-Pell numbers which are close to a power of 3. Gulf Journal of Mathematics, [S. l.], v. 21, n. 1, p. 140–154, 2025. DOI: 10.56947/gjom.v21i1.3384. Disponível em: https://gjom.org/index.php/gjom/article/view/3384. Acesso em: 18 aug. 2026.