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A002909 Low temperature energy function for square lattice.
(Formerly M0035 N0009)
+0
1
2, 0, -8, -24, -72, -240, -896, -3640, -15688, -70512 (list; graph; listen)
OFFSET

0,1

REFERENCES

M. F. Sykes and M. E. Fisher, Antiferromagnetic susceptibility of the plane square and honeycomb Ising lattices, Physica, 28 (1962), 919-938.

CROSSREFS

Adjacent sequences: A002906 A002907 A002908 this_sequence A002910 A002911 A002912

Sequence in context: A128063 A087205 A062134 this_sequence A118437 A134185 A013489

KEYWORD

sign

AUTHOR

njas

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Last modified October 11 13:47 EDT 2008. Contains 144830 sequences.


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