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 A067768 #4 Mar 30 2012 16:49:18 %S A067768 22,728,14884,244908,3575045,48517524,628013796,7871666088, %T A067768 96451145091,1162484964230,13840075278704,163246693686684, %U A067768 1911737961254907,22262254374655710 %N A067768 Number of alternating link diagrams with n crossings, 3 connected components and two external legs. %H A067768 J. L. Jacobsen and P. Zinn-Justin, <a href="http://arXiv.org/abs/math-ph/0104009">A Transfer Matrix approach to the Enumeration of Colored Links</a>, J. Knot Theory, 10 (2001), 1233-1267. %Y A067768 A column of A062038. %K A067768 nonn %O A067768 6,1 %A A067768 _N. J. A. Sloane_, Feb 09 2002