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 A008242 #14 Apr 10 2018 08:26:35 %S A008242 1,4,12,23,43,66,91,128,169,214,258,306,381,450,509,574,659,771,848, %T A008242 924,1038,1148,1274,1373,1491,1636,1743,1902,2051,2188,2340,2466,2689, %U A008242 2864,2991,3170,3343,3611,3776,3910,4166,4362,4626,4813,5007,5296,5461,5768 %N A008242 Coordination sequence T2 for Zeolite Code TON. %D A008242 W. M. Meier, D. H. Olson and Ch. Baerlocher, Atlas of Zeolite Structure Types, 4th Ed., Elsevier, 1996 %H A008242 R. W. Grosse-Kunstleve, <a href="/A008242/b008242.txt">Table of n, a(n) for n = 0..1000</a> %H A008242 R. W. Grosse-Kunstleve, <a href="/A005897/a005897.html">Coordination Sequences and Encyclopedia of Integer Sequences</a> %H A008242 R. W. Grosse-Kunstleve, G. O. Brunner and N. J. A. Sloane, <a href="http://neilsloane.com/doc/ac96cs/">Algebraic Description of Coordination Sequences and Exact Topological Densities for Zeolites</a>, Acta Cryst., A52 (1996), pp. 879-889. %H A008242 Sean A. Irvine, <a href="/A008000/a008000_1.pdf">Generating Functions for Coordination Sequences of Zeolites, after Grosse-Kunstleve, Brunner, and Sloane</a> %H A008242 International Zeolite Association, <a href="http://www.iza-structure.org/databases/">Database of Zeolite Structures</a> %K A008242 nonn %O A008242 0,2 %A A008242 _Ralf W. Grosse-Kunstleve_