%I #23 Jan 07 2015 05:08:16
%S 1155,1365,1785,1995,2145,2415,2805,3003,3045,3135,3255,3315,3705,
%T 3795,3885,3927,4305,4389,4485,4515,4641,4785,4845,4935,5005,5115,
%U 5187,5313,5565,5655,5865,6045,6105,6195,6279,6405,6545,6555,6699,6765,6783,7035
%N Squarefree odd numbers with exactly 4 distinct prime factors.
%H T. D. Noe, <a href="/A046390/b046390.txt">Table of n, a(n) for n=1..1000</a>
%t f[n_]:=Last/@FactorInteger[n]=={1,1,1,1}&&FactorInteger[n][[1,1]]>2; lst={};Do[If[f[n],AppendTo[lst,n]],{n,8!}];lst (* _Vladimir Joseph Stephan Orlovsky_, Nov 23 2009 *)
%t Select[Range[1,8001,2],PrimeNu[#]==PrimeOmega[#]==4&] (* _Harvey P. Dale_, Mar 28 2013 *)
%Y Cf. A046317, A046406.
%K nonn
%O 1,1
%A _Patrick De Geest_, Jun 15 1998