This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A119478 #20 Feb 16 2025 08:33:01 %S A119478 21548919483,90632826380,1771417411016,3524434872392,4773123705616 %N A119478 Smallest member of sociable sextuples. %C A119478 a(1)-a(2) were found by Moews and Moews in 1992 and 1995, respectively. a(3)-a(5) were found by Andre Needham in 2006 (see Pedersen link). - _Amiram Eldar_, Mar 24 2024 %H A119478 David Moews and Paul C. Moews, <a href="https://doi.org/10.1090/S0025-5718-1993-1185249-X">A search for aliquot cycles and amicable pairs</a>, Mathematics of computation, Vol. 61, No. 204 (1993), pp. 935-938. %H A119478 David Moews, <a href="http://djm.cc/sociable.txt">A list of currently known aliquot cycles of length greater than 2</a>. %H A119478 Jan Munch Pedersen, <a href="http://62.198.248.44/aliquot/knwncx.htm">Known Sociable Numbers of order different from four</a>, Tables of Aliquot Cycles. %H A119478 Jan Munch Pedersen, <a href="http://62.198.248.44/aliquot/cx/c6.txt">Sociable number of order 6</a>, Tables of Aliquot Cycles. %H A119478 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/SociableNumbers.html">Sociable Numbers</a>. %H A119478 Wikipedia, <a href="https://en.wikipedia.org/wiki/Sociable_number">Sociable number</a>. %Y A119478 Cf. A090615. %K A119478 nonn,more %O A119478 1,1 %A A119478 _Eric W. Weisstein_, May 22 2006 %E A119478 a(4)-a(5) from _Donovan Johnson_, Sep 03 2008