Djamel Bellaouar (2025) “When does (P x n+1 +P x n−1 )/2 Equal a Pell-Lucas Number?”, Jordan Journal of Mathematics and Statistics, 18(3), pp. 341–349. Available at: https://jjms.yu.edu.jo/index.php/jjms/article/view/1414 (Accessed: 15 October 2025).