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 A096166 #11 Feb 16 2025 08:32:53 %S A096166 9,10,10,10,10,10,10,10,53,82,112,127,341,496,496,496,496,496,496,496, %T A096166 496,496,496,496,496,496,496,496,496,496,496,496,496,496,496,496,496, %U A096166 496,496,496,496,496,496,496,496,496,496,496,496,496,496,496,496,496 %N A096166 Engel expansion of the Champernowne number .1234567891011121314151617181920212223... (see A033307). %H A096166 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/ChampernowneConstant.html">Champernowne Constant.</a> %H A096166 <a href="/index/El#Engel">Index entries for sequences related to Engel expansion</a>. %e A096166 0.123456789101112...= 1/9+1/(9*10)+1/(9*10*10)+1/(9*10*10*10)+... . %Y A096166 Cf. A033307. %K A096166 nonn %O A096166 1,1 %A A096166 _Gerald McGarvey_, Jul 25 2004 %E A096166 Edited by _N. J. A. Sloane_, Apr 14 2008