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 A036473 #19 Apr 19 2016 01:07:31 %S A036473 3461040,4150440,4918320,5475960,5920200,6421800,6768720,7559640, %T A036473 7280280,7685496,7227360,7688520,7715400,7840560,7948080,8125920, %U A036473 8873760,9098460,10063200,9830520,10260180,9661680,10521000,10188360,10914120,10747440,11241720 %N A036473 Amicable quadruples: the numbers c referred to in A036471. %H A036473 Donovan Johnson, <a href="/A036473/b036473.txt">Table of n, a(n) for n = 1..2000</a> %Y A036473 Cf. A036471, A036472, A036474, A116148. %K A036473 nonn %O A036473 1,1 %A A036473 _Yasutoshi Kohmoto_ %E A036473 The present first term was found by _Dean Hickerson_, Nov 06 2006. %E A036473 That this is the first term was confirmed by _Giovanni Resta_, Nov 14 2006, who also found a(2)-a(18). %E A036473 Edited by _N. J. A. Sloane_, Nov 07 2006 and Nov 27 2006