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%I #10 Feb 29 2020 03:42:47
%S 1,2,2,4,6,22,8,36,12,46,52,16,66,24,78,82,88,96,32,36,112,126,130,44,
%T 40,156,162,166,172,48,64,60,210,222,72,232,64,250,256,262,72,276,92,
%U 292,306,96,316,330,336,112,352,358,366,372,378,382,388,396,400,408
%N Euler totient function of the n-th single or isolated number.
%H Amiram Eldar, <a href="/A171421/b171421.txt">Table of n, a(n) for n = 1..10000</a>
%F a(n) = A000010(A167706(n)).
%Y Cf. A000010, A167706, A168543.
%K nonn,less
%O 1,2
%A _Juri-Stepan Gerasimov_, Dec 08 2009
%E More terms from _Amiram Eldar_, Feb 29 2020