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 A008025 #14 Apr 10 2018 08:26:35 %S A008025 1,4,9,18,30,43,62,85,105,135,180,217,251,295,330,366,429,505,572,628, %T A008025 681,744,822,898,974,1075,1179,1254,1329,1432,1538,1627,1728,1869, %U A008025 2010,2104,2198,2335,2466,2571,2703,2887,3065,3178,3276,3435,3618,3754,3896 %N A008025 Coordination sequence T3 for Zeolite Code AFS and BPH. %D A008025 W. M. Meier, D. H. Olson and Ch. Baerlocher, Atlas of Zeolite Structure Types, 4th Ed., Elsevier, 1996 %H A008025 R. W. Grosse-Kunstleve, <a href="/A008025/b008025.txt">Table of n, a(n) for n = 0..1000</a> %H A008025 R. W. Grosse-Kunstleve, <a href="/A005897/a005897.html">Coordination Sequences and Encyclopedia of Integer Sequences</a> %H A008025 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 A008025 Sean A. Irvine, <a href="/A008000/a008000_1.pdf">Generating Functions for Coordination Sequences of Zeolites, after Grosse-Kunstleve, Brunner, and Sloane</a> %H A008025 International Zeolite Association, <a href="http://www.iza-structure.org/databases/">Database of Zeolite Structures</a> %K A008025 nonn %O A008025 0,2 %A A008025 _Ralf W. Grosse-Kunstleve_