Adegoke K, Frontczak R, Goy T. Special formulas involving polygonal numbers and Horadam numbers. Carpathian Math. Publ. [Internet]. 2021 Jun. 30 [cited 2024 Nov. 22];13(1):207-16. Available from: https://ktipe.pnu.edu.ua/index.php/cmp/article/view/4565