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 A029470 #12 Jul 04 2021 01:58:15
%S A029470 1,3,5,9,15,21,25,35,64,75,125,192,320,345,375,625,675,825,875,945,
%T A029470 960,1117,1125,1155,1255,1344,1375,1485,1575,1600,1728,1875,1925,2240,
%U A029470 2475,2625,2880,3125,3375,3465,3520,4032,4065,4125,4375,4725,4800,5625,5775
%N A029470 Numbers k that divide the (right) concatenation of all numbers <= k written in base 25 (most significant digit on left).
%H A029470 Robert Price, <a href="/A029470/b029470.txt">Table of n, a(n) for n = 1..89</a>
%t A029470 b = 25; c = {}; Select[Range[10^5], Divisible[FromDigits[c = Join[c, IntegerDigits[#, b]], b], #] &] (* _Robert Price_, Mar 11 2020 *)
%Y A029470 Cf. A029447-A029470, A029471-A029494, A029495-A029518, A029519-A029542, A061931-A061954, A061955-A061978.
%K A029470 nonn,base
%O A029470 1,2
%A A029470 _Olivier Gérard_
%E A029470 More terms from Larry Reeves (larryr(AT)acm.org), May 02 2001