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%I #9 Apr 11 2020 15:49:44
%S 2,3,4,8,10,11,13,14,20,27,37,39,43,63,90,91,95,122,124,136,152,169,
%T 175,176,224,322,364,365,410,460,605,875,917,1082,1084,1085,1086,1087,
%U 1137,1143,1164,1168,1444,1517,1541,1751,1786,1991,2873,3087,3101,3283
%N Numbers n such that phi(n)/pi(n) is an integer.
%H Donovan Johnson, <a href="/A073465/b073465.txt">Table of n, a(n) for n = 1..1000</a>
%F Mod[A000010(n), A000720(n)]=A071259[n]=0
%t Select[Range[2,3300],IntegerQ[EulerPhi[#]/PrimePi[#]]&] (* _Harvey P. Dale_, Apr 11 2020 *)
%Y Cf. A000010, A000720, A073464.
%K nonn
%O 1,1
%A _Labos Elemer_, Aug 02 2002
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