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A308525 Quasiperiods of the ternary Tribonacci sequence (A080843). 0
7, 13, 14, 24, 25, 26, 27, 44, 45, 46, 47, 48, 49, 50, 51, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 149, 150, 151, 152, 153, 154, 155, 156, 157, 158, 159, 160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175, 176 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

A word x is a quasiperiod of another (possibly infinite) word w if you can cover all of the symbols of w by translates of x.

LINKS

Table of n, a(n) for n=1..58.

H. Mousavi and J. Shallit, Mechanical Proofs of Properties of the Tribonacci Word, In: Manea F., Nowotka D. (eds) Combinatorics on Words. WORDS 2015. Lecture Notes in Computer Science, vol 9304. Springer, 2015, pp. 170-190.

CROSSREFS

Cf. A080843.

Sequence in context: A275201 A274558 A120100 * A104217 A269163 A260482

Adjacent sequences:  A308522 A308523 A308524 * A308526 A308527 A308528

KEYWORD

nonn

AUTHOR

Jeffrey Shallit, Jun 11 2019

STATUS

approved

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Last modified May 25 07:15 EDT 2020. Contains 334584 sequences. (Running on oeis4.)