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 A029541 #26 Jan 13 2025 13:25:10
%S A029541 1,23,29,169,575,887,3151,3473,4495,5395,11431,372077,3543935
%N A029541 Numbers k such that k divides the (left) concatenation of all numbers <= k written in base 24 (most significant digit on right and removing all least significant zeros before concatenation).
%C A029541 This sequence differs from A061977 in that all least significant zeros are removed before concatenation.
%C A029541 No more terms < 10^7. [_Lars Blomberg_, Sep 30 2011]
%H A029541 <a href="/index/N#concat">Index entries for related sequences</a>
%e A029541 See A029519 for example.
%t A029541 b = 24; c = {}; Select[Range[10^4], Divisible[FromDigits[c = Join[IntegerDigits[IntegerReverse[#, b], b], c], b], #] &] (* _Robert Price_, Mar 13 2020 *)
%Y A029541 Cf. A029447-A029470, A029471-A029494, A029495-A029518, A029519-A029542, A061931-A061954, A061955-A061978.
%K A029541 nonn,base,more
%O A029541 1,2
%A A029541 _Olivier Gérard_
%E A029541 Edited and updated by Larry Reeves (larryr(AT)acm.org), Apr 12 2002
%E A029541 Additional comments and more terms from Larry Reeves (larryr(AT)acm.org), May 25 2001
%E A029541 a(13) from _Lars Blomberg_, Sep 30 2011