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 A067767 #4 Mar 30 2012 16:49:18 %S A067767 4,90,1349,17220,203568,2312094,25691670,282000444,3074136464, %T A067767 33387698708,361969672904,3921901043440,42499598861832, %U A067767 460831546801414,5001468564165262,54341248085414380 %N A067767 Number of alternating link diagrams with n crossings, 2 connected components and two external legs. %H A067767 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 A067767 A column of A062038. %K A067767 nonn %O A067767 4,1 %A A067767 _N. J. A. Sloane_, Feb 09 2002