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 A180040 #11 Jul 16 2019 15:27:36
%S A180040 1,2,3,4,6,7,8,9,10,13,15,17,21,27,28,29,32,33,36,37,44,45,56,60,68,
%T A180040 76,80,86,91,92,96,104,115,116,123,139,140,155,163,175,187,195,211,
%U A180040 219,234,235,250,251,282,283,314,330,331,354,378,394,426,442,474,498,506,570,594
%N A180040 Record values in A033273.
%H A180040 Amiram Eldar, <a href="/A180040/b180040.txt">Table of n, a(n) for n = 1..571</a> (terms 1..146 from Ray Chandler)
%F A180040 a(n) = A033273(A059992(n)).
%o A180040 (PARI) lista(nn) = {my(m=0, nb); for (n=1, nn, nb = sumdiv(n, d, !isprime(d)); if (nb > m, m = nb; print1(nb, ", ")););} \\ _Michel Marcus_, Jul 16 2019
%Y A180040 Cf. A033273, A059992.
%K A180040 nonn
%O A180040 1,2
%A A180040 _Ray Chandler_, Aug 07 2010