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%I #2 Mar 30 2012 18:39:28
%S 1,1,2,2,3,3,3,3,4,4,4,5,5,6,6,6,7,7,8,8,8,8,9,9,9,9,10,10,11,11,11,
%T 12,12,12,12,13,13,13,14,14,15,15,15,15,16,16,16,16,17,17,17,18,18,19,
%U 19,19,20,20,21,21,21,21,22,22,22,23,23,24,24,24,25,25,25,25,26,26,26,26
%N Least k such that A078649(k)>=n
%F a(n) should be asymptotic to n/3.
%K nonn
%O 1,3
%A _Benoit Cloitre_, Feb 07 2009
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