Search: id:A122810
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%I A122810
%S A122810 0,1,1,2,1,2,1,3,2,2,1,3,1,2,2,3,1,3,1,3,2,2,1,4,2,2,3,3,1,3,1,4,2,2,2,
%T A122810 4,1,2,2,4,1,3,1,3,3,2,1,5,2,3,2,3,1,4,2,4,2,2,1,4,1,2,3,5,2,3,1,3,2,3,
%U A122810 1,5,1,2,3,3,2,3,1,5,4,2,1,4,2,2,2,4,1,4,2,3,2,2,2,5,1,3,3,4,1,3,1,4,3
%N A122810 Number of distinct prime factors of the smallest odd number with exactly 
               n divisors.
%C A122810 a(n)=1 iff n is prime.
%F A122810 a(n) = omega(A038457(n)), where omega(n) = A001221(n).
%Y A122810 Cf. A001221, A038457, A122375.
%Y A122810 Sequence in context: A073811 A125030 A116479 this_sequence A086436 A001222 
               A098893
%Y A122810 Adjacent sequences: A122807 A122808 A122809 this_sequence A122811 A122812 
               A122813
%K A122810 nonn
%O A122810 1,4
%A A122810 Ray Chandler (rayjchandler(AT)sbcglobal.net), Sep 22 2006

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