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%I #8 Apr 03 2017 04:15:25
%S 2,4,5,8,10,11,13,15,16,19,21,22,23,25,26,28,30,31,35,37,38,41,43,44,
%T 46,48,49,52,54,55,56,58,59,61,63,64,67,69,70,72,74,75,78,80,81,82,84,
%U 85,87,89,90,94,96,97,100,102,103,105,107,108,111,113,114
%N Positions of 0 in A284471; complement of A284473.
%C Conjecture: a(n)/n -> (7 + sqrt(13))/6.
%H Clark Kimberling, <a href="/A284472/b284472.txt">Table of n, a(n) for n = 1..10000</a>
%t s = Nest[Flatten[# /. {0 -> {1}, 1 -> {0, 1, 0, 0}}] &, {0}, 17]; (* A284471 *)
%t Flatten[Position[s, 0]]; (* A284472 *)
%t Flatten[Position[s, 1]]; (* A284473 *)
%Y Cf. A284471, A284473.
%K nonn,easy
%O 1,1
%A _Clark Kimberling_, Apr 02 2017
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