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A189379 n+[nr/t]+[ns/t]; r=2, s=(-1+sqrt(5))/2, t=(1+sqrt(5))/2. 3
2, 4, 7, 9, 12, 15, 17, 20, 23, 25, 28, 30, 33, 36, 38, 41, 44, 46, 49, 51, 54, 57, 59, 62, 64, 67, 70, 72, 75, 78, 80, 83, 85, 88, 91, 93, 96, 98, 101, 104, 106, 109, 112, 114, 117, 119, 122, 125, 127, 130, 133, 135, 138, 140, 143, 146, 148, 151, 153, 156, 159, 161, 164, 167, 169, 172, 174, 177, 180, 182, 185, 187, 190, 193, 195, 198, 201, 203, 206, 208, 211, 214, 216, 219 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

(Conjecture) These are the numbers n such that (n+1)-sections of the Fibonacci word contain both "000" and "111". - Don Reble, Apr 07 2021

Conjecture proved April 8 2021 using the Walnut theorem prover. - Jeffrey Shallit, Apr 09 2021

LINKS

Table of n, a(n) for n=1..84.

MATHEMATICA

(See A189377.)

CROSSREFS

Cf. A189377, A189378.

Sequence in context: A026356 A184735 A184583 * A226595 A031435 A065560

Adjacent sequences:  A189376 A189377 A189378 * A189380 A189381 A189382

KEYWORD

nonn

AUTHOR

Clark Kimberling, Apr 20 2011

STATUS

approved

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Last modified September 20 04:58 EDT 2021. Contains 347577 sequences. (Running on oeis4.)