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 A060858 #8 Aug 16 2021 11:43:34 %S A060858 0,3,0,3,4,5,6 %N A060858 "0303456", a popular song by Rafaela Carra. %H A060858 Etiennecgn(AT)netcologne.de, <a href="http://web.archive.org/web/1id_/http://mitglied.tripod.de/~etiennecgn/raffaella6.htm">Lyrics 7</a> [wayback copy] %H A060858 <a href="/index/So#songs">Index entries for sequences related to songs</a> %e A060858 "Cero tres, cero tres, cuatro cinco seis, na nanaaaaa nananaaaaaananananaaaa, al telefono espero que llames tu". %K A060858 nonn,fini,full %O A060858 0,2 %A A060858 Alejo Sanchez (alejos1(AT)hotmail.com), May 03 2001