References: Inder J. Taneja, 2020 In Numbers: Mathematical Style – Revised,  Zenodo, December 31, 2019, pp. 1-37,   http://doi.org/10.5281/zenodo.3596193. Inder J. Taneja, Multiple-Type Pythagorean Triples,   https://inderjtaneja.com/2018/08/04/2499/ Inder J. Taneja, Nested Magic Squares With Perfect Square Sums, Pythagorean Triples, and Borders Differences, Zenodo, June 14, 2019, pp. 1-59,  http://doi.org/10.5281/zenodo.3246586. Inder J. Taneja, Symmetric Properties of Nested Magic Squares, Zenodo, … Continue reading 13th Day of Year: 13.01.20