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A299797 Ground state degeneracy of a periodic chain for angle Pi < theta < 3*Pi/2. 1
17, 41, 83, 209, 479, 1169, 2787, 6745 (list; graph; refs; listen; history; text; internal format)
OFFSET

3,1

LINKS

Table of n, a(n) for n=3..10.

Yun-Tak Oh, Hosho Katsura, Hyun-Yong Lee, Jung Hoon Han, Proposal of a spin-one chain model with competing dimer and trimer interactions, arXiv:1709.01344 [cond-mat.str-el], 2017.

CROSSREFS

Cf. A005248, A299798.

Sequence in context: A110226 A054819 A235743 * A087877 A107181 A158014

Adjacent sequences:  A299794 A299795 A299796 * A299798 A299799 A299800

KEYWORD

nonn,more

AUTHOR

Michael De Vlieger, Feb 19 2018

STATUS

approved

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Last modified January 24 01:05 EST 2020. Contains 331178 sequences. (Running on oeis4.)