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 A067641 #3 Mar 30 2012 16:49:18 %S A067641 2,20,174,1504,13300,120744,1122198,10638464,102541428,1002305040, %T A067641 9914663308,99085515840,999104604784,10153152363648,103892246982390, %U A067641 1069610792999424,11072575568623300,115189593628215600 %N A067641 Column 1 of table in A067640. %H A067641 J. L. Jacobsen and P. Zinn-Justin, <a href="http://arXiv.org/abs/math-ph/0102015">A Transfer Matrix approach to the Enumeration of Knots</a> %K A067641 nonn %O A067641 0,1 %A A067641 _N. J. A. Sloane_, Feb 05 2002