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A288856 Positions of 0 in A288855; complement of A288857. 3
2, 3, 4, 9, 15, 20, 24, 25, 26, 27, 36, 46, 55, 63, 70, 76, 81, 85, 86, 87, 88, 92, 107, 121, 134, 146, 157, 167, 176, 184, 191, 197, 202, 206, 207, 208, 209, 213, 214, 215, 231, 250, 268, 285, 301, 316, 330, 343, 355, 366, 376, 385, 393, 400, 406, 411, 415 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

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

MATHEMATICA

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

w[n_] := StringReplace[w[n - 1], {"00" -> "1000", "10" -> "011"}]

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

st = ToCharacterCode[w[51]] - 48   (* A288855 *)

Flatten[Position[st, 0]]  (* A288856 *)

Flatten[Position[st, 1]]  (* A288857 *)

CROSSREFS

Cf. A288855, A288857.

Sequence in context: A133993 A122974 A032982 * A033076 A121431 A084080

Adjacent sequences:  A288853 A288854 A288855 * A288857 A288858 A288859

KEYWORD

nonn,easy

AUTHOR

Clark Kimberling, Jun 23 2017

STATUS

approved

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Last modified September 18 20:43 EDT 2019. Contains 327181 sequences. (Running on oeis4.)