%I #4 Apr 19 2017 09:20:07
%S 1,2,5,6,7,10,12,14,15,16,19,21,22,23,25,26,29,30,31,34,35,36,39,41,
%T 43,44,45,48,50,51,52,54,55,58,60,62,63,64,66,67,70,72,74,75,76,78,79,
%U 82,83,84,87,88,89,92,94,96,97,98,101,103,104,105,107,108
%N Positions of 0 in A285031; complement of A285033.
%C Conjecture: 1 < n*r  a(n) < 2 for n>=1, where r = 1 + sqrt(1/2).
%H Clark Kimberling, <a href="/A285032/b285032.txt">Table of n, a(n) for n = 1..10000</a>
%e As a word, A285031 = 00110..., in which 0 is in positions 1,2,5,6,7,10,...
%t s = Nest[Flatten[# /. {0 > {1, 0}, 1 > {0, 0, 1}}] &, {0}, 8]; (* A285031 *)
%t Flatten[Position[s, 0]]; (* A285032 *)
%t Flatten[Position[s, 1]]; (* A285033 *)
%Y Cf. A285031, A285033, A285035.
%K nonn,easy
%O 1,2
%A _Clark Kimberling_, Apr 19 2017
