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%I #4 Apr 27 2017 22:51:14
%S 2,5,7,8,10,12,13,15,18,21,24,26,27,29,31,32,34,37,39,40,42,44,45,46,
%T 47,49,51,52,54,57,59,60,62,64,65,67,70,72,73,75,77,78,79,80,82,84,85,
%U 87,90,92,93,95,97,98,100,103,106,109,111,112,114,116,117
%N Positions of 1 in A285411; complement of A285412.
%C Conjecture: a(n)/n -> (61-sqrt(3))/26 = 2.279...
%H Clark Kimberling, <a href="/A285413/b285413.txt">Table of n, a(n) for n = 1..10000</a>
%e As a word, A285411 = 010010..., in which 1 is in positions 2,5,7,8,10,...
%t s = Nest[Flatten[# /. {0 -> {1, 1}, 1 -> {0, 1, 0}}] &, {0}, 10] (* A285411 *)
%t Flatten[Position[s, 0]] (* A285412 *)
%t Flatten[Position[s, 1]] (* A285413 *)
%Y Cf. A285411, A285412, A285413.
%K nonn,easy
%O 1,1
%A _Clark Kimberling_, Apr 27 2017
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