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 A116148 #11 Dec 17 2013 03:03:47 %S A116148 13927680,16248960,19498752,21228480,24373440,24998400,27855360, %T A116148 28304640,28304640,29030400,29030400,29877120,29998080,29998080, %U A116148 32497920,33022080,33868800,33868800,37497600,37739520,37739520,38997504,40884480,40884480 %N A116148 Amicable quadruples: the values of sigma corresponding to A036471-A036474. %C A116148 Note that repetitions occur. %H A116148 Donovan Johnson, <a href="/A116148/b116148.txt">Table of n, a(n) for n = 1..2000</a> %Y A116148 Cf. A036471, A036472, A036473, A036474. %K A116148 nonn %O A116148 1,1 %A A116148 _Giovanni Resta_, Nov 14 2006