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A286486 Positions of 1 in A286484; complement of A286485. 3
2, 3, 5, 8, 9, 11, 12, 14, 16, 17, 20, 21, 23, 26, 27, 29, 30, 33, 34, 36, 38, 39, 41, 44, 45, 47, 48, 50, 52, 53, 56, 57, 59, 61, 62, 64, 67, 68, 70, 71, 74, 75, 77, 80, 81, 83, 84, 86, 88, 89, 92, 93, 95, 98, 99, 101, 102, 105, 106, 108, 110, 111, 113, 116 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

a(n) - a(n-1) is in {1,2,3} for n>=2.  Conjecture: a(n)/n -> 9/5.

LINKS

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

EXAMPLE

As a word, A286484 = 01101001101101011001..., in which 1 is in positions 2,3,5,8,9,11,...

MATHEMATICA

s = Nest[Flatten[# /. {0 -> {0, 1}, 1 -> {1, 0}}] &, {0}, 9] (* A010060 *)

w = StringJoin[Map[ToString, s]]

w1 = StringReplace[w, {"0010" -> "0"}]

st = ToCharacterCode[w1] - 48  (* A286484 *)

Flatten[Position[st, 0]]  (* A286485 *)

Flatten[Position[st, 1]]  (* A286486 *)

CROSSREFS

Cf. A010060, A286484, A286485.

Sequence in context: A047372 A247547 A096974 * A285092 A027756 A119863

Adjacent sequences:  A286483 A286484 A286485 * A286487 A286488 A286489

KEYWORD

nonn,easy

AUTHOR

Clark Kimberling, May 10 2017

STATUS

approved

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Last modified November 20 06:06 EST 2018. Contains 317385 sequences. (Running on oeis4.)