References I.J. Taneja, Fixed and Flexible Powers Narcissistic Numbers with Division,Zenodo, February 19, 2019, pp. 1-142, http://doi.org/10.5281/zenodo.2573047. 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, Semi-Selfie Numbers, https://inderjtaneja.com/2017/07/11/semi-selfie-numbers/.

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, Selfie Fractions: Addable, Subtractable, Dottable and Potentiable, Zenodo, March 24, 2019, pp. 1-260, http://doi.org/10.5281/zenodo.2604531.