References
- Inder J. Taneja, Multiple-Type Patterns and Pythagorean Triples, Zenodo, January 19, 2019, pp. 1-53, http://doi.org/10.5281/zenodo.2544527;
- Inder J. Taneja, Semi-Selfie Numbers, Zenodo, February 12, 2019, pp. 1-394, http://doi.org/10.5281/zenodo.2562390.
- Inder J. Taneja, Multiple Choice Power Expressions, Zenodo, February 15, 2019, pp. 1-143, http://doi.org/10.5281/zenodo.2565729.
- Inder J. Taneja, Fraction-Type Single Letter Representations of Natural NumbersFrom 1 to 11111, Zenodo, February 4, 2019, http://doi.org/10.5281/zenodo.2556902, pp. 1-203.
- Pat’s Blog, https://pballew.blogspot.com/2019/02/on-this-day-in-math-february-14.html
Numbers Magic 