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A122726 Sociable numbers. 3
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 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

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

EXAMPLE

The smallest sociable number cycle is {12496, 14288, 15472, 14536, 14264, 12496}.

CROSSREFS

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

KEYWORD

nonn

AUTHOR

Tanya Khovanova, Sep 23 2006

STATUS

approved

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Last modified November 23 21:46 EST 2017. Contains 295141 sequences.