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 A098982 #1 Feb 20 2005 03:00:00 %S A098982 0,0,6,84,846,7344,58704 %N A098982 Total number of self-intersections of all walks on the triangular lattice starting at the origin. %Y A098982 Cf. A098981. %K A098982 nonn %O A098982 0,3 %A A098982 Pietro Monari (Pietro.Monari(AT)tetrapak.com), Oct 24 2004