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 A066832 #6 Sep 12 2022 10:18:22 %S A066832 1,3,15,6,8,10,8,18,13,15,5,13,12,0,24,0,28,0,17,0,37,0,40 %N A066832 Number of kanji strokes for 10^(4*n). %C A066832 The counting unit in Japanese is 10^4, though it is 10^3 in European languages. After 10^48, the unit becomes 10^8. %H A066832 UNO Mire, <a href="https://web.archive.org/web/20070808100701/http://www.harapan.co.jp/Tech_Lib/misc/kansusi.htm">Title?</a> (gives kanji, name, SI character, English name). %Y A066832 Cf. A030166. %K A066832 nonn,fini %O A066832 1,2 %A A066832 _Yasutoshi Kohmoto_, Aug 20 2003