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A289176 Positions of 1 in A289174; complement of A289175. 3
3, 6, 7, 8, 11, 13, 14, 15, 18, 21, 23, 24, 25, 30, 33, 34, 35, 36, 38, 39, 42, 44, 49, 51, 52, 53, 55, 56, 57, 59, 60, 61, 64, 69, 73, 76, 77, 78, 79, 81, 82, 83, 84, 86, 87, 88, 89, 91, 92, 93, 98, 102, 105, 106, 109, 112, 113, 114, 117, 118, 120, 121, 122 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Conjecture:  a(n)/n -> 1.8..., and if m denotes this number, then -2 < m - a(n)/n < 1 for n >= 1.

LINKS

Clark Kimberling, Table of n, a(n) for n = 1..10000

MATHEMATICA

z = 11;   (* number of iterates *)

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

w[n_] := StringReplace[w[n - 1], {"00" -> "0010", "01" -> "100", "10" -> "011"}]

TableForm[Table[w[n], {n, 0, 10}]]

st = ToCharacterCode[w[z]] - 48   (* A289174 *)

Flatten[Position[st, 0]]  (* A289175 *)

Flatten[Position[st, 1]]  (* A289176 *)

CROSSREFS

Cf. A289174, A289175, A289177.

Sequence in context: A155932 A298980 A206586 * A277851 A047557 A284390

Adjacent sequences:  A289173 A289174 A289175 * A289177 A289178 A289179

KEYWORD

nonn,easy

AUTHOR

Clark Kimberling, Jun 29 2017

STATUS

approved

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Last modified September 19 11:06 EDT 2019. Contains 327192 sequences. (Running on oeis4.)