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A320581 a(n) is the number of closed factors of length n in the Fibonacci word. 0
2, 1, 2, 3, 4, 3, 4, 5, 6, 5, 6, 7, 8, 9, 10 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
Olga Parshina, Luca Zamboni, Open and closed factors of Arnoux-Rauzy words, arXiv:1810.05472 [math.CO], 2018. See Example 2.7 p. 7.
CROSSREFS
Cf. A003849 (Fibonacci word).
Sequence in context: A285869 A162330 A134967 * A240855 A084612 A295164
KEYWORD
nonn,more
AUTHOR
Michel Marcus, Oct 16 2018
STATUS
approved

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Last modified June 11 17:16 EDT 2024. Contains 373315 sequences. (Running on oeis4.)