Search: id:A046389
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%I A046389
%S A046389 105,165,195,231,255,273,285,345,357,385,399,429,435,455,465,483,555,
%T A046389 561,595,609,615,627,645,651,663,665,705,715,741,759,777,795,805,861,
%U A046389 885,897,903,915,935,957,969,987,1001,1005,1015,1023,1045,1065,1085
%N A046389 Odd numbers with exactly 3 distinct prime factors.
%H A046389 T. D. Noe, <a href="b046389.txt">Table of n, a(n) for n=1..1000</a>
%t A046389 f[n_]:=Last/@FactorInteger[n]=={1,1,1}&&FactorInteger[n][[1,1]]>2; lst={};
               Do[If[f[n],AppendTo[lst,n]],{n,7!}];lst [From Vladimir Orlovsky (4vladimir(AT)gmail.com), 
               Nov 23 2009]
%Y A046389 Cf. A046316, A046405.
%Y A046389 Sequence in context: A069702 A133509 A013590 this_sequence A154430 A118678 
               A152940
%Y A046389 Adjacent sequences: A046386 A046387 A046388 this_sequence A046390 A046391 
               A046392
%K A046389 nonn,new
%O A046389 1,1
%A A046389 Patrick De Geest (pdg(AT)worldofnumbers.com), Jun 15 1998.

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