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, Pyramid-Type Representations of Natural Numbers, Zenodo, February 5, 2020, pp. 1-213, http://doi.org/10.5281/zenodo.3637662 Inder J. Taneja, Power-Type Semi-Selfie Numbers and Patterns, Zenodo, July 16, 2019, pp. 1-130, http://doi.org/10.5281/zenodo.333836 Inder J. Taneja, Fraction-Type Single Letter Representations of Natural Numbers From 1 to … Continue reading 42nd and 43rd Days of Year: 11.02.20 and 12.02.20