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%I #3 Mar 30 2012 18:50:45
%S 1,2,3,4,5,6,6,6,7,10,8,12,10,12,15,9,12,11,10,20,16,16,12,18,15,20,
%T 11,21,12,30,16,13,16,21,30,19,20,20,30,30,18,32,18,32,35,24,14,27,21,
%U 30,32,35,15,19,40,36,30,24,20,60,16,32,33,24,30,32,17,33,36,60,30,42,18
%N A097621(A097621(n)).
%C a(A097621(n))=A097621(a(n))=A097623(n).
%K nonn
%O 1,2
%A _Reinhard Zumkeller_, Aug 17 2004
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