%I A120154
%S A120154 9,12,16,21,28,37,50,66,88,118,157,209,279,372,496,661,882,1176,1568,
%T A120154 2090,2787,3716,4955,6606,8808,11744,15659,20879,27838,37118,49490,
%U A120154 65987,87983,117310,156414,208552,278069,370759,494345,659127
%N A120154 a(1)=9; a(n)=floor((27+sum(a(1) to a(n-1)))/3).
%Y A120154 Cf. A073941, A112088, A072493.
%Y A120154 Sequence in context: A019468 A084799 A166136 this_sequence A084375 A076674 
               A027571
%Y A120154 Adjacent sequences: A120151 A120152 A120153 this_sequence A120155 A120156 
               A120157
%K A120154 nonn
%O A120154 1,1
%A A120154 Graeme McRae (g_m(AT)mcraefamily.com), Jun 10 2006