117th and 118th Days of Year – 27.04.2021 and 28.04.2021: Pythagorean Triples, Palindromic-Type and Semi-Selfie Expressions

References:

1. Inder J. Taneja, Colored Patterns With 2021 On a Board of 9×9,  https://inderjtaneja.com/2020/12/26/colored-pattern-with-2021-on-a-board-of-9×9/
2. Inder J. Taneja, Crazy Representations of Natural Numbers – The 10958 Problem,  https://inderjtaneja.com/2018/11/16/crazy-representations-of-natural-numbers-the-10958-problem/
3. Inder J. Taneja. (2019). Palindromic-Type Palindromes – I, Zenodo, January 15, 2019, pp. 1-99, http://doi.org/10.5281/zenodo.2541174.
4. Inder J. Taneja. (2019). Palindromic-Type Non-Palindromes – I, Zenodo , January 15, 2019, pp. 1-117, http://doi.org/10.5281/zenodo.2541187.
5. Inder J. Taneja. (2019). Palindromic-Type Squared Expressions with Palindromic and Non-Palindromic Sums – I, Zenodo, January 15, 2019, pp. 1-133, http://doi.org/10.5281/zenodo.2541198.
6. Inder J. Taneja, Patterns in Pythagorean Triples Using Single and Double Variable Procedures, Zenodo, January 19, 2019, pp. 1-134, http://doi.org/10.5281/zenodo.2544519
7. Inder J. Taneja, Multiple-Type Patterns and Pythagorean Triples, Zenodo, January 19, 2019, pp.1-53,  http://doi.org/10.5281/zenodo.2544527
8. Inder J. Taneja, Palindromic-Type Pandigital Patterns in Pythagorean Triples, Zenodo, January 20, 2019, pp. 1-160, http://doi.org/10.5281/zenodo.2544551
9. Inder J. Taneja, Generating Pythagorean Triples, Patterns, and Magic Squares, Zenodo, January 20, 2019, pp. 1-121, http://doi.org/10.5281/zenodo.2544555
10. Inder J. Taneja, Patterns in Pythagorean Triples, Zenodo, March 13, 1-136,  http://doi.org/10.5281/zenodo.4603197
11. Inder J. Taneja, Pandigital-Type and Pythagorean Triples Patterns, Zenodo, March 17, 1-750,  http://doi.org/10.5281/zenodo.4611511
12. Inder J. Taneja, Power-Type Semi-Selfie Numbers and Patterns, Zenodo, July 16, 2019, pp. 1-130,  http://doi.org/10.5281/zenodo.3338366