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%I #6 Mar 30 2012 18:52:35
%S 1,2,1,2,3,4,5,3,6,7,8,4,9,10,11,12,13,14,15,16,5,17,18,19,20,21,22,
%T 23,24,6,25,26,27,28,29,30,31,32,33,34,35,36,37,7,38,39,40,41,42,43,
%U 44,45,8,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68
%N Index of A141468(n) in the isolated nonprimes A014574 or the non-isolated nonprimes A164276.
%C A014574 U A164276 = A141468.
%F A014574(a(n)-1)=n or A164276(a(n))=n.
%Y Cf. A014574, A141468, A164276.
%K nonn
%O 1,2
%A _Juri-Stepan Gerasimov_, Nov 05 2009
%E Corrected definition and formula index - _R. J. Mathar_, May 30 2010
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