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 A029453 #14 Jul 04 2021 01:59:59
%S A029453 1,2,4,6,7,8,12,13,14,15,16,21,24,28,32,35,39,42,48,49,56,64,70,98,
%T A029453 106,112,128,147,164,196,224,231,256,289,392,448,490,512,545,560,608,
%U A029453 640,665,688,784,872,889,896,980,1024,1064,1120,1280,1520,1526,1568
%N A029453 Numbers k that divide the (right) concatenation of all numbers <= k written in base 8 (most significant digit on left).
%H A029453 Robert Price, <a href="/A029453/b029453.txt">Table of n, a(n) for n = 1..98</a>
%t A029453 b = 8; c = {}; Select[Range[10^5], Divisible[FromDigits[c = Join[c, IntegerDigits[#, b]], b], #] &] (* _Robert Price_, Mar 11 2020 *)
%Y A029453 Cf. A007094.
%Y A029453 Cf. A029447-A029470, A029471-A029494, A029495-A029518, A029519-A029542, A061931-A061954, A061955-A061978.
%K A029453 nonn,base
%O A029453 1,2
%A A029453 _Olivier Gérard_