On Hardy's Apology Numbers

Document Type : Research Paper

Authors

1 Faculty of Electrical Engineering, Mathematics and Computer Science, Delft University of Technology, Delft, The NetherlandsVredenburchstede 20

2 Department of Engineering Science \\ Golpayegan University of Technology

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.

Keywords

Journal of Algorithms and Computation
Volume 52, Issue 2 - Serial Number 2
December 2020
Pages 67-83

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