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 A029492 #25 Jun 30 2024 03:18:06
%S A029492 1,11,27,33,48,93,99,121,144,176,297,304,363,432,461,528,583,1936,
%T A029492 2267,2915,5808,12031,22496,26983,31328,33913,63861,81312,93984,
%U A029492 105888,108803,143264,477103,1287968,3511904,3620768,7292912,31740567,62025997,63469123
%N A029492 Numbers k that divide the (left) concatenation of all numbers <= k written in base 23 (most significant digit on left).
%C A029492 a(54) > 3*10^10. - _Jason Yuen_, Jun 30 2024
%H A029492 Jason Yuen, <a href="/A029492/b029492.txt">Table of n, a(n) for n = 1..53</a>
%H A029492 <a href="/index/N#concat">Index entries for related sequences</a>
%t A029492 b = 23; c = {}; Select[Range[10^4], Divisible[FromDigits[c = Join[IntegerDigits[#, b], c], b], #] &] (* _Robert Price_, Mar 12 2020 *)
%Y A029492 Cf. A029447-A029470, A029471-A029494, A029495-A029518, A029519-A029542, A061931-A061954, A061955-A061978.
%K A029492 nonn,base
%O A029492 1,2
%A A029492 _Olivier Gérard_
%E A029492 More terms from Andrew Gacek (andrew(AT)dgi.net), Feb 21 2000
%E A029492 More terms from Larry Reeves (larryr(AT)acm.org), May 24 2001
%E A029492 Edited and updated by Larry Reeves (larryr(AT)acm.org), Apr 12 2002
%E A029492 a(34)-a(40) from _Max Alekseyev_, May 15 2011