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 A062376 #16 Jun 24 2022 09:29:51
%S A062376 80,120,160,168,195,208,255,260,264,272,280,312,320,336,340,360,390,
%T A062376 400,408,416,420,435,440,456,464,510,528,552,555,580,592,595,600,615,
%U A062376 616,640,656,660,663,672,696,697,715,740,744,760,765,792,795,800,820
%N A062376 Numbers k such that Euler phi(k) / Carmichael lambda(k) = 8.
%C A062376 Solutions to A000010(n)/A002322(n)=8.
%H A062376 Amiram Eldar, <a href="/A062376/b062376.txt">Table of n, a(n) for n = 1..10000</a>
%o A062376 (PARI) {cmf(f)=if( ((f[1]==2)&&(f[2]>2)),eulerphi(f[1]^f[2])/2, eulerphi(f[1]^f[2])) }
%o A062376 {cl(f)= k=factor(f); l=1; for(x=1,omega(f),l=lcm(l,cmf([k[x,1], k[x,2]]))); l }
%o A062376 {A062376(n)=eulerphi(n)/cl(n)}
%o A062376 for(x=1,1000, if(A062376(x)==8, print1(x,", ")))
%Y A062376 Cf. A000010, A002322, A034380, A033948, A062373, A062374, A062375, A062377.
%K A062376 easy,nonn
%O A062376 1,1
%A A062376 _Vladeta Jovovic_, Jun 17 2001
%E A062376 More terms from _Randall L Rathbun_, Jan 12 2002