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 A334140 #11 Feb 16 2025 08:34:00
%S A334140 0,1,2,3,4,5,6,7,8,9,10,11,12,14,15,16,18,20,21,22,24,27,28,30,32,33,
%T A334140 35,36,40,42,44,45,48,54,55,56,60,63,64,66,70,72,77,80,84,88,90,96,99,
%U A334140 101,105,108,110,111,112,120,121,126,131,132,135,140
%N A334140 Numbers that can be written as a product of distinct palindromes.
%H A334140 David A. Corneth, <a href="/A334140/b334140.txt">Table of n, a(n) for n = 1..10000</a>
%H A334140 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/PalindromicNumber.html">Palindromic Number</a>
%H A334140 <a href="/index/Pac#palindromes">Index entries for sequences related to palindromes</a>
%t A334140 ok[n_, w_: {}] := n <= 1 || AnyTrue[ Divisors@ n, ! MemberQ[w, #] && PalindromeQ[#] && ok[n/#, Append[w, #]] &]; Select[Range[0, 140], ok] (* _Giovanni Resta_, Apr 15 2020 *)
%Y A334140 Cf. A002113, A033620, A084034, A115683, A140332, A334131.
%K A334140 nonn,base
%O A334140 1,3
%A A334140 _Ilya Gutkovskiy_, Apr 15 2020