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A285279 Positions of 1 in A285277; complement of A285278. 3
1, 4, 5, 6, 8, 9, 10, 12, 13, 14, 16, 17, 18, 19, 22, 23, 24, 25, 27, 30, 31, 32, 34, 35, 36, 38, 39, 40, 41, 44, 45, 46, 48, 49, 50, 52, 53, 54, 55, 58, 59, 60, 62, 63, 64, 66, 67, 68, 70, 71, 72, 73, 75, 78, 79, 80, 82, 83, 84, 86, 87, 88, 89, 92, 93, 94 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Conjecture: 0 < n*r - a(n) < 6 for n>=1, where r = 2+sqrt(2).

LINKS

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

EXAMPLE

As a word, A285277 = 10011101110111..., in which 1 is in positions 1,4,5,6,8,...

MATHEMATICA

s = Nest[Flatten[# /. {0 -> {1, 0}, 1 -> {0, 1, 1, 1}}] &, {0}, 9]; (* A285277 *)

Flatten[Position[s, 0]];  (* A285278 *)

Flatten[Position[s, 1]];  (* A285279 *)

CROSSREFS

Cf. A285275, A285277, A285278.

Sequence in context: A061578 A284902 A023851 * A091242 A089253 A047432

Adjacent sequences:  A285276 A285277 A285278 * A285280 A285281 A285282

KEYWORD

nonn,easy

AUTHOR

Clark Kimberling, Apr 25 2017

STATUS

approved

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Last modified September 17 08:56 EDT 2019. Contains 327127 sequences. (Running on oeis4.)