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 A046403 #17 Aug 31 2020 02:07:50 %S A046403 2310,21210,27510,31710,33330,38010,40110,43230,46662,49830,59730, %T A046403 60522,63030,65730,69762,74130,77770,78330,80430,83622,88242,100870, %U A046403 103290,116270,116490,116655,123090,126390,139370,144606,147070,151305,152670,158970,163086,165270,167370 %N A046403 Numbers with exactly 5 distinct palindromic prime factors. %H A046403 David A. Corneth, <a href="/A046403/b046403.txt">Table of n, a(n) for n = 1..10000</a> %e A046403 144606 = 2 * 3 * 7 * 11 * 313 is in the sequence as it has exactly 5 prime factors each of which is a palindrome. - _David A. Corneth_, Aug 30 2020 %Y A046403 Cf. A002385, A014614, A046400, A046401, A046402, A046403, A046371. %K A046403 nonn,easy,base %O A046403 1,1 %A A046403 _Patrick De Geest_, Jun 15 1998 %E A046403 Offset changed to 1 and more terms from _David A. Corneth_, Aug 30 2020