Alp, Yasemin, and KocerE. Gokcen. “Leonardo and Hyper-Leonardo Numbers via Riordan Arrays”. Ukrains’kyi Matematychnyi Zhurnal 76, no. 3 (March 25, 2024): 326–340. Accessed July 27, 2024. https://umj.imath.kiev.ua/index.php/umj/article/view/7296.