Chimpanzo, JoséCatarino, PaulaOtero Espinar, María VictoriaCosta, Eudes2025-12-012025-12-012025J. Int. Math. Virtual Inst. 15, No. 1, 179-194 (2025)2303-4866https://hdl.handle.net/10347/44148In this paper, we aim to introduce and study the tridimensional version of Lucas-cobalancing numbers, with special emphasis on their recurrence relation, key properties, and diverse sum identities.engBalancing numbersLucas-cobalancing numbersTridimensional versionPropertiesjournal article10.7251/JIMVI2501179C2303-4947open access