A308525 - OEIS

A308525

Quasiperiods of the ternary tribonacci sequence (A080843).

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

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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