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A130627 Duplicate of A006209. 0
1, 1, 0, 1, 0, 2, 0, 3, 1, 6, 2, 9, 4, 18, 8, 30, 16, 56, 32, 101, 64, 191, 128, 351, 256, 668, 512, 1257, 1026, 2402, 2056 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,6

COMMENTS

Previous name was: Related to the minimal number of periodic orbits of periods guaranteed by Sharkovskii's theorem.

Bau-Sen Du's [1985/2007] Table 1, p. 6, has this sequence as the 5th column.

Same as A006209. - Georg Fischer, Oct 21 2018

LINKS

Table of n, a(n) for n=1..31.

Bau-Sen Du, The Minimal Number of Periodic Orbits of Periods Guaranteed in Sharkovskii's Theorem. Bull. Austral. Math. Soc. 31(1985), 89-103. Corrigendum: 32 (1985), 159.

CROSSREFS

Sequence in context: A326440 A166117 A078051 * A006209 A005307 A340385

Adjacent sequences:  A130624 A130625 A130626 * A130628 A130629 A130630

KEYWORD

dead

AUTHOR

Jonathan Vos Post, Jun 18 2007

EXTENSIONS

Replace arXiv URL by non-cached version - R. J. Mathar, Oct 30 2009

STATUS

approved

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Last modified January 18 12:07 EST 2021. Contains 340254 sequences. (Running on oeis4.)