OFFSET
1,1
LINKS
G. C. Greubel, Table of n, a(n) for n = 1..5000
MATHEMATICA
Select[Range[2, 100], Divisible[EulerPhi[#], PrimeNu[#]]&] (* Harvey P. Dale, May 06 2013 *)
PROG
(PARI) for(n=2, 1e3, if(eulerphi(n)%omega(n)==0, print1(n", "))) \\ Charles R Greathouse IV, Aug 17 2011
CROSSREFS
KEYWORD
nonn
AUTHOR
Enrique Pérez Herrero, Aug 06 2011
STATUS
approved