%I #2 Mar 31 2012 13:21:55
%S 2,3,4,6,8,10,12,14,18,20,24,30,36,42,48,60,84,90,120
%N n.phi(n)^2<sigma(n)^2.
%e 8*phi(8)^2=128, sigma(8)^2=225
%o (PARI) for (n=1,1000, if (eulerphi(n)^2*n<sigma(n)^2,print1(n",")))
%Y Cf. A064375.
%K nonn
%O 0,1
%A _Jon Perry_, Jan 09 2003