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 A214134 #30 Sep 18 2021 17:45:44 %S A214134 28158165,2387776550,88585861815,111375706442,1092162882824, %T A214134 39436853599990,65747483238255,92180272746590,96642590616495, %U A214134 209709847893070,223599822374385,430324482433184,535975018716375,1107681705347175,1210691484867410,1356505589071269 %N A214134 Smallest member of sociable quadruples that follow W. Borho's construction rule. %H A214134 <a href="/A214134/b214134.txt">Table of n, a(n) for n = 1..16</a> %H A214134 Blankenagel, Karsten; Borho, Walter; vom Stein, Axel. <a href="http://www.ams.org/journals/mcom/2003-72-244/S0025-5718-03-01489-3/">New amicable four-cycles.</a> Math. Comp. 72 (2003), no. 244, 2071--2076 (electronic). MR1986823 (2004c:11006) %H A214134 Michel Marcus, <a href="/A214134/a214134_1.txt">Construction rule</a> %H A214134 D. Moews, <a href="http://djm.cc/sociable.txt">A list of currently known aliquot cycles of length greater than 2</a>. %Y A214134 Cf. A090615. %K A214134 nonn %O A214134 1,1 %A A214134 _Michel Marcus_, Jul 05 2012 %E A214134 b-file removed and construction rules updated by _Michel Marcus_, Dec 04 2014