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 A137184 #10 Dec 13 2019 02:56:03 %S A137184 9,37,51,79,93,135,163,205,219,261,289,303,331,415,429,541,583,639, %T A137184 723,933,961,975,1087,1101,1339,1395,1563,1675,1731,1773,1801,1857, %U A137184 1899,1941,1983,2053,2067,2095,2221,2277,2403,2445,2473,2557,2571,2599,2697,2725 %N A137184 Lucky numbers (A000959) which are congruent to 2 mod 7. %H A137184 Amiram Eldar, <a href="/A137184/b137184.txt">Table of n, a(n) for n = 1..10000</a> %Y A137184 Intersection of A000959 and A017005. %K A137184 nonn %O A137184 1,1 %A A137184 _N. J. A. Sloane_, Mar 07 2008