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A010102 Spontaneous magnetization coefficients for square lattice spin 1 Ising model. 2
1, 0, 0, 0, -1, 0, 0, -4, 3, 0, -30, 48, -52, -120, 368, -612, -254, 2524, -6216, 4040, 11805, -49400, 68268, 14928, -332511, 734508, -568038, -1641320, 6202774, -9239676, -2503162, 42749908, -99021392, 72255812, 215763902 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,8

COMMENTS

For n>4, a(n) appears to be divisible by either 2 or 3. - Ralf Stephan, Aug 04 2013

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.

CROSSREFS

Sequence in context: A268439 A120362 A201636 * A326477 A285650 A144161

Adjacent sequences:  A010099 A010100 A010101 * A010103 A010104 A010105

KEYWORD

sign,changed

AUTHOR

N. J. A. Sloane, Simon Plouffe

EXTENSIONS

Link corrected by Ralf Stephan, Aug 04 2013

STATUS

approved

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Last modified October 18 18:56 EDT 2019. Contains 328197 sequences. (Running on oeis4.)