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%I #8 Feb 21 2020 05:20:43
%S 1,1,2,2,4,2,6,4,6,4,4,6,8,8,6,8,12,8,20,18,12,8,16,24,12,16,12,24,16,
%T 42,20,18,24,16,36,32,24,24,40,32,54,24,24,32,42,40,48,36,48,32,100,
%U 36,64,72,48,48,84,40,64,54,48,120,48,108,64,84,80,48,72,96,120
%N Euler's totient of 7-smooth numbers.
%H Amiram Eldar, <a href="/A086296/b086296.txt">Table of n, a(n) for n = 1..10000</a>
%F a(n) = A000010(A002473(n)).
%Y Cf. A000010, A002473.
%K nonn
%O 1,3
%A _Reinhard Zumkeller_, Jul 15 2003
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