References: I.J. Taneja, Same Digits Equalities Expressions, Zenodo, February 19, 2019, pp. 1-182, http://doi.org/10.5281/zenodo.2573194 I.J. Taneja, Crazy Representation of Natural Numbers – The 10958 Problem, https://inderjtaneja.com/2018/11/16/crazy-representations-of-natural-numbers-the-10958-problem/ . I.J. Taneja, Permutable Power Minimum Length Representations of Natural Numbers from 0 to 20000, Zenodo, January, 30, 2019, pp. 1-288, http://doi.org/10.5281/zenodo.2553326