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%I #3 Mar 30 2012 18:40:44
%S 2,3,5,2,11,13,17,3,2,29,31,5,41,43,47,2,59,3,67,11,73,79,83,13,2,101,
%T 5,17,109,113,127,3,137,139,149,2,157,163,167,29,179,181,191,31,11,
%U 199,211,5,2,3,233,41,241,13,257,43,269,271,277,47
%N Prime(core(n)).
%C Prime(Squarefree part of n).
%F a(n) = A000040(A007913(n)).
%Y Cf. A000040, A007913.
%K easy,nonn
%O 1,1
%A _Jonathan Vos Post_, Apr 19 2008
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