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 A032586 #14 Dec 12 2019 07:54:56 %S A032586 3,13,33,43,63,73,93,133,163,193,223,273,283,303,393,433,463,483,553, %T A032586 583,613,643,673,693,723,823,873,883,903,933,993,1023,1053,1093,1123, %U A032586 1183,1203,1233,1263,1303,1323,1473,1503,1533,1543,1563,1663,1693,1723 %N A032586 Lucky numbers ending with digit 3. %C A032586 Also, lucky numbers (A000959) which are congruent to 3 mod 5 (because only numbers ending in 8 could make a difference, but these are removed in the first step of the lucky sieve). - _R. J. Mathar_, Apr 29 2008 %H A032586 Amiram Eldar, <a href="/A032586/b032586.txt">Table of n, a(n) for n = 1..10000</a> %Y A032586 Intersection of A000959 and A017305. %K A032586 nonn,base %O A032586 1,1 %A A032586 _Patrick De Geest_, Apr 15 1998 %E A032586 Edited by _N. J. A. Sloane_, May 15 2008 at the suggestion of _R. J. Mathar_