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, 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, June 29, 2019, pp. 1-55,  http://doi.org/10.5281/zenodo.3262170. … Continue reading 17th Day of Year: 17.01.20