%I #18 Aug 30 2023 05:21:11
%S 30,1482,2418,24180,35238,263820,395730,473298,698130,763620,2212026,
%T 2233554,172459210,209524210,341354790,384121920,525150234,530946330,
%U 582129630,1799281330,2069510520,2514290520,3344596854,5251502340
%N Unitary-sociable numbers (smallest member of each cycle).
%C If n=product p_i^a_i, d=product p_i^c_i is a unitary divisor of n if each c_i is 0 or a_i.
%D R. K. Guy, Unsolved Problems in Number Theory, 3rd edition, Sect. B7.
%H Herman Jamke (hermanjamke(AT)fastmail.fm), Nov 01 2006, <a href="/A000173/b000173.txt">Table of n, a(n) for n = 1..44</a>
%H David 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 Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/SociableNumbers.html">Sociable Numbers</a>.
%Y Cf. A034444, A003416, A097323.
%K nonn,nice
%O 1,1
%A _N. J. A. Sloane_
%E More terms from Herman Jamke (hermanjamke(AT)fastmail.fm), Nov 01 2006