%I A076480
%S A076480 2,1,2,3,4,7,6,7,8,11,10,13,12,15,16,15,16,19,18,21,22,23,22,25,24,27,
%T A076480 26,29,28,29,30,31,34,35,36,37,36,39,40,41,40,41,42,45,46,47,46,49,48,
%U A076480 51,52,53,52,55,56,57,58,59,58,59,60,63,64,63,66,65,66,69,70,69,70,73
%N A076480 n + mu(sfk(n)), where mu is the Moebius-function (A008683) and sfk is 
               the square-free kernel (A007947).
%C A076480 a(n)=n+A076479(n)=n+A008683(A007947(n)).
%Y A076480 Sequence in context: A058700 A050040 A022875 this_sequence A002730 A081664 
               A117673
%Y A076480 Adjacent sequences: A076477 A076478 A076479 this_sequence A076481 A076482 
               A076483
%K A076480 nonn
%O A076480 1,1
%A A076480 Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Oct 14 2002