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 A242731 #25 Jan 29 2018 12:00:59 %S A242731 5,6,8,10,12,17,7,9,11,13,16,6,10,9,12,15,16,14,18,22,27,20,26,32,37, %T A242731 8,14,18,18,22,22,27,27,32,20,20,26,32,32,37,37,42,42,26,34,42,47,52, %U A242731 8,11,14,10,13,11,14,14,17,16,20,20,24,12,8,10,14,22,30,42 %N A242731 Number of faces of Johnson solids in the order given by Johnson. %C A242731 For the distinct terms sorted, see A296603. For the number of Johnson solids with n faces, see A296604. - _Jonathan Sondow_, Jan 29 2018 %H A242731 Felix Fröhlich, <a href="/A242731/b242731.txt">Table of n, a(n) for n = 1..92</a> %H A242731 Norman W. Johnson, <a href="http://dx.doi.org/10.4153/CJM-1966-021-8">Convex Polyhedra with Regular Faces</a>, Canadian Journal of Mathematics, 18 (1966), 169-200. %H A242731 Wikipedia, <a href="http://en.wikipedia.org/wiki/List_of_Johnson_solids">List of Johnson solids</a> %H A242731 Victor A. Zalgaller, <a href="http://mi.mathnet.ru/eng/znsl1408">Convex Polyhedra with Regular Faces</a>, Zap. Nauchn. Sem. LOMI, 1967, Volume 2. Pages 5-221 (Mi znsl1408). %Y A242731 Cf. A242732, A242733, A296602, A296603, A296604. %K A242731 nonn,fini,full %O A242731 1,1 %A A242731 _Felix Fröhlich_, May 21 2014