Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).
%I #4 Jun 25 2017 13:53:50
%S 2,3,6,9,10,15,16,19,24,25,28,31,32,39,40,43,46,47,52,53,56,63,64,67,
%T 70,71,76,77,80,85,86,89,92,93,102,103,106,109,110,115,116,119,124,
%U 125,128,131,132,139,140,143,146,147,152,153,156,165,166,169,172
%N Positions of 0 in A288929; complement of A288931.
%C Conjecture: a(n)/n -> 3, and 0 < m - a(n)/n < 3/2 for n >= 1.
%H Clark Kimberling, <a href="/A288930/b288930.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" -> "1000", "1" -> "10011"}]
%t Table[w[n], {n, 0, 8}]
%t st = ToCharacterCode[w[11]] - 48 (* A288929 *)
%t Flatten[Position[st, 0]] (* A288930 *)
%t Flatten[Position[st, 1]] (* A288931 *)
%Y Cf. A288929, A288931.
%K nonn,easy
%O 1,1
%A _Clark Kimberling_, Jun 25 2017