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 A032585 #11 Dec 12 2019 07:56:07 %S A032585 1,21,31,51,111,141,151,171,201,211,231,241,261,321,331,361,391,421, %T A032585 451,511,541,591,601,621,631,651,741,781,801,831,841,931,961,981,991, %U A032585 1011,1021,1041,1101,1201,1231,1251,1261,1281,1291,1401,1441,1471,1491 %N A032585 Lucky numbers ending with digit 1. %C A032585 Also, lucky numbers (A000959) which are congruent to 1 mod 5. - _R. J. Mathar_, Apr 29 2008 %H A032585 Amiram Eldar, <a href="/A032585/b032585.txt">Table of n, a(n) for n = 1..10000</a> %Y A032585 Intersection of A000959 and A017281. %K A032585 nonn,base %O A032585 1,2 %A A032585 _Patrick De Geest_, Apr 15 1998