A010103 Spontaneous magnetization coefficients for square lattice spin 2 Ising model.

2, 0, 0, 0, 0, 0, 0, 0, -1, 0, 0, 0, 0, 0, 0, -4, 3, 0, 0, 0, 0, 0, -30, 48, -19, 0, 0, 0, -36, -136, 468, -408, 111, 0, -150, -180, -135, 3240, -5340, 3128, -1105, -612, 696, 1956, 15717, -51368, 52988, -25648, 5696, 8344, 12336, 48372

Offset: 0

Author

N. J. A. Sloane, Simon Plouffe

Keywords

• sign

Links

• I. Jensen, Table of n, a(n) for n = 0..119 (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.