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%I #5 Apr 21 2017 08:06:01
%S 4,5,10,11,16,17,19,21,23,28,29,31,33,38,42,43,48,49,54,55,60,61,63,
%T 65,67,72,73,75,77,82,86,87,92,93,98,99,104,105,107,109,111,116,117,
%U 119,121,126,130,131,133,135,137,142,146,147,149,151,153,158,162
%N Positions of 1 in A285133; complement of A285134.
%C Conjecture: -1 < n*r - a(n) < 1 for n>=1, where r = 1 + sqrt(3).
%H Clark Kimberling, <a href="/A285135/b285135.txt">Table of n, a(n) for n = 1..10000</a>
%e As a word, A285133 = 000110..., in which 1 is in positions 4,5,10,11,16,...
%t s = Nest[Flatten[# /. {0 -> {1, 0}, 1 -> {0, 0, 0, 1}}] &, {0}, 12]; (* A285133 *)
%t Flatten[Position[s, 0]]; (* A285134 *)
%t Flatten[Position[s, 1]]; (* A285135 *)
%Y Cf. A285133, A285134, A285136.
%K nonn,easy
%O 1,1
%A _Clark Kimberling_, Apr 20 2017
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