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 A196579 #22 Aug 13 2020 14:02:28 %S A196579 33,43,44,59,50,77,70 %N A196579 Length of longest possible 90-degree snake inside a circle of diameter n. %C A196579 A snake is a sequence of unit line segments that are non-overlapping except that each one begins where the previous one ends. An n-degree snake is a snake all of whose angles with the horizontal are multiples of n. %C A196579 These solutions have been found by experimentation and are in that respect conjectural. %H A196579 Erich Friedman, <a href="https://erich-friedman.github.io/mathmagic/0503.html">Problem of the month May 2003</a> %Y A196579 Cf. A196580, A196581, A196582, A196591. %K A196579 nonn,more %O A196579 5,1 %A A196579 _Kausthub Gudipati_, Oct 04 2011