A299798 Ground state degeneracy of a periodic chain for angle theta = 3*Pi/2.
26, 72, 198, 570, 1641, 4725, 13605, 39174
Offset: 3
Links
- 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.