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When are Multiples of Polygonal Numbers again Polygonal Numbers?

Article by Jasbir S. Chahal and Nathan Priddis

In collection: Easily explained

Euler showed that there are infinitely many triangular numbers that are three times another triangular number. In general, as we prove, it is an easy...

URL: http://arxiv.org/abs/1806.07981v1

PDF: http://arxiv.org/pdf/1806.07981v1

Entry: http://read.somethingorotherwhatever.com/entry/WhenareMultiplesofPolygonalNumbersagainPolygonalNumbers