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 A046374 #12 Aug 14 2024 13:12:15 %S A046374 81,135,189,225,297,315,375,441,495,525,625,693,735,825,875,1029,1089, %T A046374 1155,1225,1375,1617,1715,1815,1925,2401,2541,2695,2727,3025,3537, %U A046374 3773,3993,4077,4235,4545,4887,5157,5895,5929,6363,6655,6795,7575,8145,8253 %N A046374 Odd numbers with exactly 4 palindromic prime factors (counted with multiplicity). %H A046374 Andrew Howroyd, <a href="/A046374/b046374.txt">Table of n, a(n) for n = 1..1000</a> %Y A046374 Intersection of A033620 and A046317. %Y A046374 Cf. A046406. %K A046374 nonn,base %O A046374 1,1 %A A046374 _Patrick De Geest_, Jun 15 1998 %E A046374 Offset changed by _Andrew Howroyd_, Aug 14 2024