A010115 Magnetic susceptibility coefficients for square lattice spin 1 Ising model.

1, 0, 0, 8, -6, 0, 90, -144, 192, 480, -1372, 2676, 1703, -11952, 33316, -18900, -64201, 304580, -401068, -97928, 2390637, -5130048, 4264858, 13518716, -49117798, 76725752, 29308994, -381566684, 915306452

Offset: 0

Author

N. J. A. Sloane, Simon Plouffe

Keywords

• sign

Links

• I. Jensen, Table of n, a(n) for n = 0..108 (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.