@article{hrj:5107, title = {When are Multiples of Polygonal Numbers again Polygonal Numbers?}, author = {Jasbir Chahal and Michael Griffin and Nathan Priddis}, url = {https://hrj.episciences.org/5107}, doi = {10.46298/hrj.2019.5107}, journal = {Hardy-Ramanujan Journal}, issn = {2804-7370}, volume = {}, year = {2019}, month = {Jan}, keywords = {polygonal numbers, Pell equation, triangular numbers, elliptic curves, Diophantine equations 2010 Mathematics Subject Classification primary:11D45, secondary:11G05, [ MATH ] Mathematics [math], [ MATH.MATH-NT ] Mathematics [math]/Number Theory [math.NT]}, language = {English}, }