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 A089791 #15 Sep 23 2019 09:43:54 %S A089791 1,1,2,3,10,20,68,182,618 %N A089791 Number of projections of rational knots with n crossings. %D A089791 Kirkman T.P.: The enumeration, description and construction of knots of fewer than ten crossings. Trans. Roy. Soc. Edinburgh 32 (1885), 281-309. %D A089791 Tait P.G.: On knots. Trans. Roy. Soc. Edin. 28 (1876/77), 145-190. %H A089791 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 A089791 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 A089791 Jablan S., <a href="http://www.mi.sanu.ac.rs/vismath/sl/index.html">Ordering Knots</a>. %H A089791 Jablan S. and Sazdanovic R., <a href="http://www.mi.sanu.ac.rs/vismath/linknot/index.html">LinKnot</a>. %Y A089791 Cf. A018240=number of rational knots. %K A089791 nonn,more %O A089791 3,3 %A A089791 Slavik Jablan and Radmila Sazdanovic, Jan 09 2004