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 A074627 #22 May 25 2020 09:57:40
%S A074627 5,6,10,11,14,15,17,20,22,23,24,26,29,30,33,34,35,38,40,41,42,44,45,
%T A074627 46,47,51,53,54,55,56,58,59,60,62,65,66,68,69,70,71,74,77,78,80,82,83,
%U A074627 85,86,87,88,89,90,92,94,95,96,99,101,102,104,105,106,107,110,113,114,115
%N A074627 Numbers n such that sigma(n) is divisible by 6.
%C A074627 n=10: sigma(10) = 1+2+5+10 = 18 = 3*6.
%H A074627 Michael De Vlieger, <a href="/A074627/b074627.txt">Table of n, a(n) for n = 1..10000</a>
%F A074627 A000203(n) modulo 6 = 0.
%F A074627 {n: A084301(n) = 0 }. - _R. J. Mathar_, May 19 2020
%F A074627 A087943 INTERSECT A028983. - _R. J. Mathar_, May 19 2020
%t A074627 Select[Range@ 120, Divisible[DivisorSigma[1, #], 6] &] (* _Michael De Vlieger_, Feb 25 2017 *)
%o A074627 (PARI) isok(n) = !(sigma(n) % 6); \\ _Michel Marcus_, Dec 17 2013
%Y A074627 Cf. A000203, A072862, A074384, A074628, A067051, A074630.
%K A074627 easy,nonn
%O A074627 1,1
%A A074627 _Labos Elemer_, Aug 26 2002