%I #6 Mar 30 2012 18:57:25
%S 0,1,1,1,1,2,2,3,3,3,4,4,4,5,5,5,5,6,6,7,7,7,7,8,8,9,9,9,10,10,10,10,
%T 11,11,12,12,12,13,13,13,13,14,14,15,15,15,16,16,16,17,17,17,17,18,18,
%U 19,19,19,19,20,20,21,21,21,22,22,22,23,23,23,23,24,24,25,25,25,25,26,26,27,27,27
%N Partial sums of A189664.
%C See A189664.
%F s(n)=[(n+1)/3]-s([(n+1)/3])+s([n/3]), where s(0)=0.
%t (See A189664.)
%Y Cf. A189664, A189665, A189666.
%K nonn
%O 1,6
%A _Clark Kimberling_, Apr 25 2011
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