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A097323 One sixth of the unitary sociable numbers. 1

%I #7 May 29 2017 13:45:33

%S 5,247,403,4030,5873,43970,65955,78883,116355,127270,368671,372259

%N One sixth of the unitary sociable numbers.

%C Unfortunately the next term is not an integer, so this sequence is no longer of interest. - _N. J. A. Sloane_, Nov 07 2006

%C Next term would be A000173(13)/6=172459210/6 but this is not an integer. Others unitary-sociable numbers which are not divisible by 6 are: 209524210 = 2.5.7.19.263.599, 1799281330 = 2.5.7.11.139.16811, 7009279550 = 2.5^2.7.13.19.89.911, 111375706442 = 2.7.11.13.59.727.1297,... - Herman Jamke (hermanjamke(AT)fastmail.fm), Nov 01 2006

%H D. Moews, <a href="http://djm.cc/amicable.html">Perfect, amicable and sociable numbers</a>

%H J. O. M. Pedersen, <a href="http://amicable.homepage.dk/tables.htm">Tables of Aliquot Cycles</a> [Broken link]

%H J. O. M. Pedersen, <a href="http://web.archive.org/web/20140502102524/http://amicable.homepage.dk/tables.htm">Tables of Aliquot Cycles</a> [Via Internet Archive Wayback-Machine]

%H J. O. M. Pedersen, <a href="/A063990/a063990.pdf">Tables of Aliquot Cycles</a> [Cached copy, pdf file only]

%H E. Weisstein, <a href="http://mathworld.wolfram.com/UnitarySociableNumbers.html">Unitary Sociable Numbers</a>

%Y Equals A000173(n)/6.

%K nonn,fini,full

%O 1,1

%A _Ralf Stephan_, Aug 09 2004

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Last modified April 25 01:35 EDT 2024. Contains 371964 sequences. (Running on oeis4.)