Journal of Algorithms and Computation

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Keywords = Armstrong numbers

Number of Articles: 1
On Hardy's Apology Numbers

Dr. Henk Koppelaar; Peyman Nasehpour

Volume 52, Issue 2 , December 2020, , Pages 67-83

https://doi.org/10.22059/jac.2020.79248

Abstract
  Twelve well known `Recreational' numbers are generalized and classified in three generalized types Hardy, Dudeney, and Wells. A novel proof method to limit the search for the numbers is exemplified for each of the types. Combinatorial operators are defined to ease programming the search.  Read More