A010107 Partition function coefficients for square lattice spin 1 Ising model.
1, 0, 0, 0, 1, 0, 0, 2, -1, 0, 10, -14, 13, 30, -85, 124, 50, -476, 1047, -642, -1949, 7220, -9547, -2690, 42625, -90224, 62414, 190074, -683506, 952260, 290296, -4276192, 9356547, -6406858, -20006212, 73731040, -103077077
Offset: 0
Keywords
Links
- I. Jensen, Table of n, a(n) for n = 0..113 (from link below)
- I. G. Enting, A, J. Guttmann and I. Jensen, Low-Temperature Series Expansions for the Spin-1 Ising Model, arXiv:hep-lat/9410005, 1994; J. Phys. A. 27 (1994) 6987-7006.
- I. Jensen, More terms
- Iwan Jensen, Anthony J. Guttmann, Series expansions of the percolation probability for directed square and honeycomb lattices, arXiv:cond-mat/9509121, 1995; J. Phys. A 28 (1995), no. 17, 4813-4833.
Extensions
"Free energy" corrected to "partition function" (basically the exponential of the free energy) in the name by Andrey Zabolotskiy, Feb 11 2022