Journal of Integer Sequences, Vol. 16 (2013), Article 13.4.6

A Family of Sequences Generating Smith Numbers


Amin Witno
Department of Basic Sciences
Philadelphia University
19392 Jordan

Abstract:

Infinitely many Smith numbers can be constructed using sequences which involve repunits. We provide an alternate method of construction by introducing a generalization of repunits, resulting in new Smith numbers whose decimal digits are composed of zeros and nines.


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(Concerned with sequences A002275 A006753.)


Received September 29 2012; revised versions received December 21 2012; March 21 2013. Published in Journal of Integer Sequences, March 25 2013.


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