%I #5 Mar 30 2012 18:39:21
%S 1,4,6,7,9,18,19,27,30,31,38,40,41,43,49,50,53,57,58,63,65,66,68,71,
%T 72,78,82,83,86,88,89,91,95,96,101,104,105,109,111,112,114,118,119,
%U 122,130,131,135,137,138,140,143,144,148,155,156,159,161,162,164,171,172,176
%N Partial sums of A085068.
%F Conjecture : a(n)=3n+O(sqrt(n))
%K nonn
%O 0,2
%A _Benoit Cloitre_, Oct 07 2003