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A family of sequences generating Smith numbers. (English) Zbl 1285.11020
Summary: 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.

MSC:
11A63 Radix representation; digital problems
Software:
OEIS
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