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 A119911 #9 Oct 07 2019 11:03:00
%S A119911 12,16,18,20,24,28,30,32,36,40,42,44,45,48,50,52,54,56,60,63,66,68,70,
%T A119911 72,75,76,78,80,81,84,88,90,92,96,98,99,100,102,104,105,108,110,112,
%U A119911 114,116,117,120,124,126,128,130,132,135,136,138,140,144,147,148
%N A119911 Natural numbers with number of divisors not equal to a Lucas number.
%H A119911 Amiram Eldar, <a href="/A119911/b119911.txt">Table of n, a(n) for n = 1..10000</a>
%t A119911 With[{lnos=LucasL[Range[0,20]]},Select[Range[300],!MemberQ[ lnos, DivisorSigma[ 0,#]]&]] (* _Harvey P. Dale_, May 11 2014 *)
%Y A119911 Cf. A000032.
%Y A119911 Complement to A119885.
%K A119911 easy,nonn
%O A119911 1,1
%A A119911 _Giovanni Teofilatto_, Aug 02 2006
%E A119911 More terms from _Harvey P. Dale_, May 11 2014