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A122726
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Sociable numbers.
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4
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12496, 14264, 14288, 14316, 14536, 15472, 17716, 19116, 19916, 22744, 22976, 31704, 45946, 47616, 48976, 83328, 97946, 122410, 152990, 177792, 243760, 274924, 275444, 285778, 294896, 295488, 358336, 366556, 376736, 381028, 418904, 589786
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history;
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OFFSET
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1,1
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LINKS
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Table of n, a(n) for n=1..32.
Steven Finch, Amicable Pairs and Aliquot Sequences, 2013. [Cached copy, with permission of the author]
David Moews, Perfect, amicable and sociable numbers
Eric Weisstein's World of Mathematics, Sociable Numbers - from Wolfram MathWorld.
Wikipedia, Sociable number - Wikipedia
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EXAMPLE
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The smallest sociable number cycle is {12496, 14288, 15472, 14536, 14264, 12496}.
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CROSSREFS
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Cf. A003416 (smallest member of each cycle), A063990 (amicable numbers).
Sequence in context: A033669 A203345 A232104 * A072891 A003416 A178278
Adjacent sequences: A122723 A122724 A122725 * A122727 A122728 A122729
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KEYWORD
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nonn
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AUTHOR
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Tanya Khovanova, Sep 23 2006
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STATUS
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approved
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