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 A089790 #13 Sep 23 2019 09:43:47 %S A089790 1,1,2,3,7,14,38,98,300,937 %N A089790 Number of projections of rational knots and links with n crossings. %D A089790 Kirkman T.P.: The enumeration, description and construction of knots of fewer than ten crossings. Trans. Roy. Soc. Edinburgh 32 (1885), 281-309. %D A089790 Tait P.G.: On knots. Trans. Roy. Soc. Edin. 28 (1876/77), 145-190. %H A089790 A. Caudron, <a href="http://sites.mathdoc.fr/PMO/PDF/C_CAUDRON_82_04.pdf">Classification des noeuds et des enlacements</a>, Public. Math. d'Orsay 82. Orsay: Univ. Paris Sud, Dept. Math., 1982. %H A089790 Alain Caudron, <a href="/A002863/a002863_3.pdf">Classification des noeuds et des enlacements (Thèse et additifs)</a>, Univ. Paris-Sud, 1989 [Scanned copy, included with permission] Contains additional material. %H A089790 Jablan S., <a href="http://www.mi.sanu.ac.rs/vismath/sl/index.html">Ordering Knots</a>. %H A089790 Jablan S. and Sazdanovic R., <a href="http://www.mi.sanu.ac.rs/vismath/linknot/index.html">LinKnot</a>. %Y A089790 Cf. A005418= number of rational knots and links. %K A089790 nonn,more %O A089790 2,3 %A A089790 Slavik Jablan and Radmila Sazdanovic, Jan 09 2004