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 A118564 #8 Nov 18 2019 03:20:10 %S A118564 1,3,7,9,21,63,111,133,135,171,195,201,261,285,399,511,621,645,735, %T A118564 777,801,1011,1053,1095,1101,1107,1183,1233,1251,1275,1323,1365,1387, %U A118564 1417,1455,1503,1545,1611,1659,1701,2001,2023,2085,2115,2133,2355,2403,2445 %N A118564 Lucky numbers which are divisible by the sum of their digits. %H A118564 Amiram Eldar, <a href="/A118564/b118564.txt">Table of n, a(n) for n = 1..10000</a> %e A118564 133 is in the sequence because (1) it is a lucky number and (2) the sum of its digits 1+3+3=7 and (3) 133 is divisible by 7. %Y A118564 Intersection of A000959 and A005349. %K A118564 base,nonn %O A118564 1,2 %A A118564 Luc Stevens (lms022(AT)yahoo.com), May 07 2006