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The positions of non-single or nonisolated numbers in A000010.
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%I #3 Mar 30 2012 18:52:37

%S 1,2,11,15,16,17,20,22,23,24,25,29,30,32,33,34,35,37,39,40,41,44,45,

%T 46,47,48,50,51,52,53,55,56,57,58,59,60,63,64,65,66,67,68,69,70,71,72,

%U 74,75,76,78,79,80,81,82,83,84,85,87,88,89,90,92,94,96,97,100,101,102,104

%N The positions of non-single or nonisolated numbers in A000010.

%C Numbers n such that phi(n)=non-single or nonisolated number.

%Y Cf. A000010, A167707.

%K nonn

%O 1,2

%A _Juri-Stepan Gerasimov_, Nov 27 2009

%E Extended by _R. J. Mathar_, Nov 30 2009