Ramírez, José L., and Víctor F. Sirvent. “A Generalization of the $k$-Bonacci Sequence from Riordan Arrays”. The Electronic Journal of Combinatorics 22, no. 1 (February 16, 2015): P1.38. Accessed March 15, 2026. https://www.combinatorics.org/ojs/index.php/eljc/article/view/v22i1p38.