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 A239105 #16 Nov 16 2015 08:53:51 %S A239105 1,1,2,2,3,4,4,4,5,6,6,7,8,8,8,8,9,10,11,12,12,13,14,14 %N A239105 Erroneous version of A004001. %C A239105 Including in accordance with the OEIS policy of listing published but incorrect sequences, to serve as pointers towards the correct versions. %H A239105 J. Grytczuk, <a href="http://dx.doi.org/10.1016/j.disc.2003.10.022">Another variation on Conway's recursive sequence</a>, Discr. Math. 282 (2004), 149-161. See p. 150. %K A239105 dead %O A239105 1,3 %A A239105 _N. J. A. Sloane_, Mar 26 2014