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%I #15 May 26 2017 16:12:28
%S 1,3,4,14,12,12,24,60,78,36,60,28,84,24,24,248,144,78,180,168,96,180,
%T 264,120,620,84,360,168,420,72,480,1008,240,432,48,1092,684,180,168,
%U 720,840,96,924,420,312,792,1104,496,798,1860,288,1176,1404,360,360,120,720,1260
%N a(n) = lcm(sigma(n), phi(n)).
%H Antti Karttunen, <a href="/A009286/b009286.txt">Table of n, a(n) for n = 1..10000</a>
%H <a href="/index/Lc#lcm">Index entries for sequences related to lcm's</a>
%F From _Antti Karttunen_, May 26 2017: (Start)
%F a(n) = A062354(n) / A009223(n).
%F a(A000040(n)) = A084921(n). - after _Enrique Pérez Herrero_'s May 17 2012 comment in the latter sequence.
%F (End)
%o (PARI) A009286(n) = lcm(sigma(n), eulerphi(n)); \\ _Antti Karttunen_, May 26 2017
%Y Cf. A000010, A000203, A009223, A062354, A084921.
%K nonn
%O 1,2
%A _David W. Wilson_