140th Day of Year: 20.05.19

References: I. J. Taneja, Multiple-Type Patterns and Pythagorean Triples, Zenodo, January 19, 2019, pp.1-53, http://doi.org/10.5281/zenodo.2544527. I.J. Taneja, Palindromic-Type Pandigital Patterns in Pythagorean Triples, Zenodo, , January 20, 2019, pp. 1-160, http://doi.org/10.5281/zenodo.2544551. Also in: https://inderjtaneja.com/2018/08/04/2499/. I.J. Taneja, Generating Pythagorean Triples, Patterns, and Magic Squares, Zenodo,  January 20, 2019, pp. 1-121, http://doi.org/10.5281/zenodo.2544555.  Also in:  https://inderjtaneja.com/2018/09/24/pythagorean-triples-generating-pandigial-palindromic-type-patterns-and-magic-squares/