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%I #6 Mar 30 2012 18:56:05
%S 2,4,6,7,10,12,13,16,18,19,21,22,25,28,30,31,34,36,37,39,40,43,46,48,
%T 49,52,54,55,57,58,61,63,64,66,67,70,73,75,76,79,82,84,85,88,90,91,93,
%U 94,97,100,102,103,106,108,109,111,112,115,117
%N a(n) = (1/3)*s(n+1), where s = A026229.
%Y Cf. A026144. [From _R. J. Mathar_, Oct 23 2008]
%K nonn
%O 1,1
%A _Clark Kimberling_