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 A297184 #7 Nov 03 2020 06:33:50 %S A297184 0,0,0,0,2,4,12,20,42,76,144,256,488,892,1672,3092,5798,10856,20512, %T A297184 38652,73344,139212,265312,506464,969552,1858784,3571368,6871692, %U A297184 13244040,25558888,49392068,95555560,185075058,358812020,696308312,1352420168,2628949868 %N A297184 Number of closed binary words of length n that are not privileged. %H A297184 G. Badkobeh, G. Fici, Z. Lipták, <a href="http://dx.doi.org/10.1007/978-3-319-15579-1_29">On the number of closed factors in a word</a>, in A.-H. Dediu et al., eds., LATA 2015, LNCS 8977, 2015, pp. 381-390. Available at <a href="http://arxiv.org/abs/1305.6395">arXiv</a>, arXiv:1305.6395 [cs.FL], 2013-2014. %H A297184 Gabriele Fici, <a href="http://bulletin.eatcs.org/index.php/beatcs/article/view/508">Open and Closed Words</a>, in Giovanni Pighizzini, ed., The Formal Language Theory Column, Bulletin of EATCS, 2017. %Y A297184 Equals A226452-A231208. %Y A297184 Cf. A297185. %K A297184 nonn %O A297184 0,5 %A A297184 _N. J. A. Sloane_, Dec 28 2017