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 A038674 #7 Aug 15 2021 13:33:13 %S A038674 2,2,4,4,2,6,6,2,8,8,16 %N A038674 A finite series from the lyrics of La Farolera, a Latin American traditional children's song. %C A038674 "Dos y dos son cuatro, cuatro y dos son seis. Seis y dos son ocho, y ocho dieciseis". %H A038674 Nivel Inicial, <a href="http://web.archive.org/web/1id_/http://www.surlink.com.ar/nivelinicial/musica/cancionero4.asp">Cancionero</a> [wayback copy] %H A038674 <a href="/index/So#songs">Index entries for sequences related to songs</a> %K A038674 fini,full,nonn,word %O A038674 0,1 %A A038674 Alfredo von Reckow (carrion(AT)uio.satnet.net)