IRMAK, Nurettin; SZALAY, László. Tribonacci Numbers Close to the Sum $2^a+3^b+5^c$. Mathematica Scandinavica, Berkeley, CA, United States, v. 118, n. 1, p. 27–32, 2016. DOI: 10.7146/math.scand.a-23293. Disponível em: https://journals.msp.org/mscand/article/view/370. Acesso em: 24 jul. 2026.