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 A008011 #14 Apr 10 2018 08:26:35 %S A008011 1,4,10,18,32,52,76,105,140,171,202,244,300,361,420,472,526,591,670, %T A008011 763,858,939,1014,1096,1198,1311,1422,1526,1632,1751,1880,2017,2158, %U A008011 2289,2416,2556,2720,2885,3034,3172,3322,3497,3688,3889,4082,4251,4416,4604 %N A008011 Coordination sequence T5 for Zeolite Code AET. %H A008011 R. W. Grosse-Kunstleve, <a href="/A008011/b008011.txt">Table of n, a(n) for n = 0..1000</a> %H A008011 R. W. Grosse-Kunstleve, <a href="/A005897/a005897.html">Coordination Sequences and Encyclopedia of Integer Sequences</a> %H A008011 Sean A. Irvine, <a href="/A008000/a008000_1.pdf">Generating Functions for Coordination Sequences of Zeolites, after Grosse-Kunstleve, Brunner, and Sloane</a> %H A008011 International Zeolite Association, <a href="http://www.iza-structure.org/databases/">Database of Zeolite Structures</a> %K A008011 nonn %O A008011 0,2 %A A008011 _Ralf W. Grosse-Kunstleve_