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A288383 Positions of 1 in A288381; complement of A288382. 3
4, 6, 7, 9, 10, 11, 12, 14, 15, 16, 17, 18, 19, 20, 21, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 73, 74, 75 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

a(n+1)/a(n)-> 1.

LINKS

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

FORMULA

a(n) = -1 + A288133(n-1) for n >= 2.

MATHEMATICA

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

w[n_] := StringReplace[w[n - 1], {"00" -> "0001", "1" -> "11"}]

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

st = ToCharacterCode[w[11]] - 48   (* A288381 *)

Flatten[Position[st, 0]]  (* A288382 *)

Flatten[Position[st, 1]]  (* A288383 *)

CROSSREFS

Cf. A288381, A288382.

Sequence in context: A269330 A213627 A225871 * A001690 A105447 A242286

Adjacent sequences:  A288380 A288381 A288382 * A288384 A288385 A288386

KEYWORD

nonn,easy

AUTHOR

Clark Kimberling, Jun 10 2017

STATUS

approved

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Last modified May 24 20:53 EDT 2019. Contains 323534 sequences. (Running on oeis4.)