%I A124378
%S A124378 5,8,12,13,17,21,28,33,37,53,57,61,69,73,77,87,89,92,93,97,109,113,133,
%T A124378 137,141,149,157,164,172,173,177,188,193,197,203,213,217,233,237,253,
%U A124378 257,268,269,277,287,293,301,303,309,313,317,329,332,337,353,373,381
%N A124378 Primitive elements of A064362.
%C A124378 Numbers n such that no Lucas number is a multiple of n, which are not 
               divisible by any smaller number with that property.
%Y A124378 Cf. A064362, A065156.
%Y A124378 Sequence in context: A003656 A003246 A143748 this_sequence A066299 A161394 
               A100493
%Y A124378 Adjacent sequences: A124375 A124376 A124377 this_sequence A124379 A124380 
               A124381
%K A124378 nonn
%O A124378 1,1
%A A124378 Franklin T. Adams-Watters (FrankTAW(AT)Netscape.net), Oct 28 2006