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 A036474 #20 Apr 19 2016 01:07:31 %S A036474 3834000,4240800,5089392,5666760,6939360,7142100,7932240,8076960, %T A036474 7976160,8122464,7738080,7738920,8136240,8136240,9121680,9312480, %U A036474 9368520,9143820,10159800,10260180,10403820,10455984,11179980,10473120,10930320,10794960 %N A036474 Amicable quadruples: the numbers d referred to in A036471. %H A036474 Donovan Johnson, <a href="/A036474/b036474.txt">Table of n, a(n) for n = 1..2000</a> %Y A036474 Cf. A036471, A036472, A036473, A116148. %Y A036474 Cf. A002025, A002046 and A161005 for amicable pairs. %Y A036474 Cf. A125490 - A125492 and A137231 for amicable triples. %Y A036474 Cf. A233553 for amicable quintuples. %K A036474 nonn %O A036474 1,1 %A A036474 _Yasutoshi Kohmoto_ %E A036474 The present first term was found by _Dean Hickerson_, Nov 06 2006. %E A036474 That this is the first term was confirmed by _Giovanni Resta_, Nov 14 2006, who also found a(2)-a(18). %E A036474 Edited by _N. J. A. Sloane_, Nov 07 2006 and Nov 27 2006