%I A080400
%S A080400 1,1,2,2,2,2,6,2,6,2,10,2,6,6,2,2,2,6,6,2,6,10,22,2,10,6,6,6,14,2,30,2,
%T A080400 10,2,6,6,6,6,6,2,10,6,42,10,6,22,46,2,42,10,2,6,26,6,10,6,6,14,58,2,30,
%U A080400 30,6,2,6,10,66,2,22,6,70,6,6,6,10,6,30,6,78,2,6,10,82,6,2,42,14,10,22
%N A080400 Largest squarefree number dividing phi of n.
%F A080400 a(n)=A007947[A000005(n)]
%Y A080400 Cf. A007947, A000005.
%Y A080400 Sequence in context: A164126 A163368 A151948 this_sequence A119462 A096625 
               A103222
%Y A080400 Adjacent sequences: A080397 A080398 A080399 this_sequence A080401 A080402 
               A080403
%K A080400 nonn
%O A080400 1,3
%A A080400 Labos E. (labos(AT)ana.sote.hu), Mar 19 2003