%I #6 Mar 30 2012 18:57:12
%S 1,3,4,6,8,9,10,12,13,15,17,18,20,22,23,24,26,27,28,30,31,33,35,36,37,
%T 39,40,42,45,47,49,50,51,53,54,56,58,59,61,63,64,65,67,68,69,71,72,74,
%U 76,77,78,80,81,82,84,85,87,89,90,91,93,94,96,99
%N Positions of the numbers 3*i+1 in A026225; i.e., when all the numbers (3*i+1)*3^j are arranged in increasing order.
%Y Cf. A026225, A181828.
%K nonn
%O 1,2
%A _Clark Kimberling_, Dec 06 2010