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 A288602 Positions of 1 in A288600; complement of A288601. 3

%I

%S 2,5,7,10,11,14,16,17,20,22,25,26,27,30,32,35,36,39,41,42,43,46,48,51,

%T 52,55,57,58,61,63,66,67,68,69,72,74,77,78,81,83,84,87,89,92,93,94,97,

%U 99,102,103,106,108,109,110,111,114,116,119,120,123,125,126

%N Positions of 1 in A288600; complement of A288601.

%C Conjecture: a(n)/n->2, and -1/2 < 2 - a(n)/n) < 1 for n >= 1.

%H Clark Kimberling, <a href="/A288602/b288602.txt">Table of n, a(n) for n = 1..10000</a>

%t s = {0, 0}; w[0] = StringJoin[Map[ToString, s]];

%t w[n_] := StringReplace[w[n - 1], {"00" -> "0101", "1" -> "1001"}]

%t Table[w[n], {n, 0, 8}]

%t st = ToCharacterCode[w[11]] - 48 (* A288600 *)

%t Flatten[Position[st, 0]] (* A288601 *)

%t Flatten[Position[st, 1]] (* A288602 *)

%Y Cf. A288600, A288601.

%K nonn,easy

%O 1,1

%A _Clark Kimberling_, Jun 14 2017

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Last modified January 28 14:26 EST 2022. Contains 350656 sequences. (Running on oeis4.)