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 A029517 #18 Mar 13 2020 11:27:09
%S A029517 1,2,3,4,6,8,10,12,20,23,3726,4900,5120,7452,8350,59708,483713,
%T A029517 1565449,2048350,2109790,2968633,4123900,6745900,6883670
%N A029517 Numbers n such that n divides the (right) concatenation of all numbers <= n written in base 24 (most significant digit on right).
%C A029517 This sequence differs from A061953 in that all least significant zeros are kept during concatenation.
%C A029517 No more terms < 10^7. [_Lars Blomberg_, Oct 14 2011]
%H A029517 <a href="/index/N#concat">Index entries for related sequences</a>
%e A029517 See A029495 for example.
%t A029517 b = 24; c = {}; Select[Range[10^4], Divisible[FromDigits[c = Join[c, Reverse[IntegerDigits[#, b]]], b], #] &] (* _Robert Price_, Mar 13 2020 *)
%Y A029517 Cf. A029447-A029470, A029471-A029494, A029495-A029518, A029519-A029542, A061931-A061954, A061955-A061978.
%K A029517 nonn,base,more
%O A029517 1,2
%A A029517 _Olivier Gérard_
%E A029517 Edited and updated by Larry Reeves (larryr(AT)acm.org), Apr 12 2002
%E A029517 Additional comments and more terms from Larry Reeves (larryr(AT)acm.org), May 25 2001
%E A029517 a(17)-a(24) from _Lars Blomberg_, Oct 14 2011