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%I #4 Mar 30 2012 18:52:35
%S 1,2,3,7,12,16,20,26,29,33,38,43,48,51,57,60,63,68,72,77,80,93,96,101,
%T 112,118,122,125,130,134,145,147,158,168,171,175,181,190,195,198,204,
%U 210,213,223,236,239,243,254,259,269,271,276,282,287,292,294,298,304
%N n-th single or isolated number minus n-th squarefree number.
%F a(n)=A167706(n)-A005117(n).
%K nonn
%O 1,2
%A _Juri-Stepan Gerasimov_, Nov 21 2009
%E All numbers beyond a(18) corrected by _R. J. Mathar_, Jun 04 2010
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