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 A103303 #11 Feb 16 2025 08:32:56 %S A103303 0,1,2,3,4,5,6,7,8,9 %N A103303 Complete list of digits used in the counting numbers (in base 10). Also known as the "Arabic numerals". %H A103303 Tanya Khovanova, <a href="http://www.tanyakhovanova.com/RecursiveSequences/NonRecursions.html">Non Recursions</a> %H A103303 The Math Page, <a href="http://www.themathpage.com/ARITH/powers-of-10.htm">Skill in arithmetic</a>. %H A103303 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/ConsecutiveNumberSequences.html">Numbers</a>. %Y A103303 Cf. base 10 sequences of the database and particularly A000461, A007908, A033307, A002262, A055087... %K A103303 base,easy,fini,full,nonn %O A103303 1,3 %A A103303 _Alexandre Wajnberg_, Jan 23 2005