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A093363
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Erroneous version of A005115.
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0
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1, 2, 3, 7, 23, 29, 157, 1307, 1669, 1879, 2089, 249037, 262897, 725663
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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0,2
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REFERENCES
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R. K. Guy, Unsolved Problems in Number Theory, A5.
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LINKS
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CROSSREFS
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KEYWORD
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dead
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STATUS
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approved
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