%I #8 Jul 01 2017 08:26:01
%S 2,7,9,12,14,19,24,26,31,36,38,41,43,48,53,55,60,65,67,70,72,77,82,84,
%T 89,94,96,101,106,108,111,113,118,123,125,130,135,137,140,142,147,152,
%U 154,159,164,166,171,176,178,181,183,188,193,195,200,205,207,210,212,217,222,224,229,234,236,239,241,246,248,251,253,258,263
%N Positions of 3 in A190496.
%C See A190496.
%H G. C. Greubel, <a href="/A190500/b190500.txt">Table of n, a(n) for n = 1..1000</a>
%t (See A190496.)
%Y Cf. A190496.
%K nonn
%O 1,1
%A _Clark Kimberling_, May 11 2011