Osogo NA, Simatwo KB. On Extension of Existing Results on the Diophantine Equation: \(\sum_{r=1}^n w_r^2+\frac{n}{3} d^2=3\left(\frac{n d^2}{3}+\sum_{r=1}^{\frac{n}{3}} w_{3 r-1}^2\right)\). EJMS [Internet]. 2025Jan.5 [cited 2025Feb.5];15(2):201-9. Available from: https://earthlinepublishers.com/index.php/ejms/article/view/1013