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 A216950 #19 Jul 30 2018 22:17:13
%S A216950 0,1,1,0,1,1,2,4,4,8,14,11,18,30,26,24,40,35,58,69,48,84,158,67,139,
%T A216950 287,215,242,490,323,624,919,516,1072,2150,911,1891,3930
%N A216950 Number of "rotten" strings of length n in {2,3}* (in the curling number sense).
%C A216950 See A216730 for definition.
%H A216950 B. Chaffin, J. P. Linderman, N. J. A. Sloane and Allan Wilks, <a href="http://arxiv.org/abs/1212.6102">On Curling Numbers of Integer Sequences</a>, arXiv:1212.6102 [math.CO], 2012-2013.
%H A216950 B. Chaffin, J. P. Linderman, N. J. A. Sloane and Allan Wilks, <a href="https://cs.uwaterloo.ca/journals/JIS/VOL16/Sloane/sloane3.html">On Curling Numbers of Integer Sequences</a>, Journal of Integer Sequences, Vol. 16 (2013), Article 13.4.3.
%Y A216950 Cf. A216730.
%K A216950 nonn,more
%O A216950 1,7
%A A216950 _Benjamin Chaffin_ and _N. J. A. Sloane_, Sep 24 2012
%E A216950 a(31)-a(34) from _N. J. A. Sloane_, Oct 28 2012
%E A216950 a(35)-a(38) from _Lars Blomberg_, Jul 30 2018