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A285663 Positions of 1 in A285661; complement of A285662. 3
1, 2, 5, 6, 9, 10, 11, 12, 13, 14, 17, 18, 21, 22, 23, 24, 25, 26, 29, 30, 33, 34, 37, 38, 41, 42, 45, 46, 49, 50, 51, 52, 53, 54, 57, 58, 61, 62, 63, 64, 65, 66, 69, 70, 73, 74, 77, 78, 81, 82, 85, 86, 89, 90, 91, 92, 93, 94, 97, 98, 101, 102, 103, 104, 105 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Conjecture:  a(n)/n -> (1 + sqrt(5))/2 = golden ratio (A001622).

LINKS

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

EXAMPLE

As a word, A285661 = 110011001..., in which 1 is in positions 1,2,5,6,9,...

MATHEMATICA

s = Nest[Flatten[# /. {0 -> {1, 1}, 1 -> {1, 1, 0, 0}}] &, {0}, 9]  (* A285661 *)

Flatten[Position[s, 0]]  (* A285662 *)

Flatten[Position[s, 1]]  (* A285663 *)

CROSSREFS

Cf. A285662, A285663.

Sequence in context: A269472 A244272 A007573 * A143909 A284507 A284492

Adjacent sequences:  A285660 A285661 A285662 * A285664 A285665 A285666

KEYWORD

nonn,easy

AUTHOR

Clark Kimberling, May 02 2017

STATUS

approved

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Last modified October 19 08:33 EDT 2021. Contains 348074 sequences. (Running on oeis4.)