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 A046406 #12 Aug 14 2024 13:12:02 %S A046406 1155,10605,13755,15855,16665,19005,20055,21615,23331,24915,29865, %T A046406 30261,31515,32865,34881,37065,38885,39165,40215,41811,44121,50435, %U A046406 51645,58135,58245,61545,63195,69685,72303,73535,76335,79485,81543 %N A046406 Odd numbers with exactly 4 distinct palindromic prime factors. %H A046406 Andrew Howroyd, <a href="/A046406/b046406.txt">Table of n, a(n) for n = 1..1000</a> %Y A046406 Intersection of A033620 and A046390. %Y A046406 Cf. A046374. %K A046406 nonn,base %O A046406 1,1 %A A046406 _Patrick De Geest_, Jun 15 1998 %E A046406 Offset changed by _Andrew Howroyd_, Aug 14 2024