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A020598
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Smallest nonempty set S containing prime divisors of 5k+4 for each k in S.
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0
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3, 7, 11, 13, 17, 19, 23, 59, 79, 89, 173, 449
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,1
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LINKS
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CROSSREFS
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KEYWORD
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nonn,fini,full
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AUTHOR
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STATUS
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approved
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