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 A187585 #12 Nov 25 2018 13:10:37 %S A187585 0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,1,0,0,0,0,0,0,0,0,16,0,0,4466,0,0,0,0, %T A187585 0,0,0,0 %N A187585 Number of Steiner Systems S(2,4,n) with nontrivial automorphism group. %C A187585 a(37) is the first unknown value. %H A187585 Colin Reid and Alex Rosa, <a href="http://www.combinatorics.org/ojs/index.php/eljc/article/view/DS18">Steiner systems S(2,4,v) - a survey</a>, Electronic Journal of Combinatorics, Dynamic Survey DS18, Feb 01 2010. %H A187585 E. Spence, <a href="https://doi.org/10.1002/(SICI)1520-6610(1996)4:4%3C295::AID-JCD6%3E3.0.CO;2-A">The complete classification of Steiner Systems S(2,4,25)</a>, J. Combin. Designs, 4 (1996), 295-300. %H A187585 <a href="/index/St#Steiner">Index entries for sequences related to Steiner systems</a> %Y A187585 Cf. A187567. %K A187585 nonn,more %O A187585 1,25 %A A187585 _N. J. A. Sloane_, Mar 11 2011