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A299797 Ground state degeneracy of a periodic chain for angle Pi < theta < 3*Pi/2. 1

%I #5 Feb 19 2018 14:31:24

%S 17,41,83,209,479,1169,2787,6745

%N Ground state degeneracy of a periodic chain for angle Pi < theta < 3*Pi/2.

%H Yun-Tak Oh, Hosho Katsura, Hyun-Yong Lee, Jung Hoon Han, <a href="https://arxiv.org/abs/1709.01344">Proposal of a spin-one chain model with competing dimer and trimer interactions</a>, arXiv:1709.01344 [cond-mat.str-el], 2017.

%Y Cf. A005248, A299798.

%K nonn,more

%O 3,1

%A _Michael De Vlieger_, Feb 19 2018

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Last modified March 28 12:26 EDT 2024. Contains 371254 sequences. (Running on oeis4.)