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 A242733 #15 Mar 21 2020 04:09:32 %S A242733 5,6,9,12,15,20,7,9,11,9,11,5,7,8,10,12,10,15,20,25,30,15,20,25,30,8, %T A242733 12,16,16,20,20,25,25,30,18,18,24,30,30,35,35,40,40,18,24,30,35,40,7, %U A242733 8,9,11,12,13,14,14,15,21,22,22,23,10,9,10,15,28,32,65,70,70 %N A242733 Number of vertices of Johnson solids in the order given by Johnson. %H A242733 Felix Fröhlich, <a href="/A242733/b242733.txt">Table of n, a(n) for n = 1..92</a> %H A242733 Wikipedia, <a href="http://en.wikipedia.org/wiki/List_of_Johnson_solids">List of Johnson solids</a> %Y A242733 Cf. A242731, A242732. %K A242733 nonn,fini,full %O A242733 1,1 %A A242733 _Felix Fröhlich_, May 21 2014