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A005399 Susceptibility series for hexagonal lattice.
(Formerly M4256)
+0
1
6, 48, 408, 3600, 42336, 781728, 13646016, 90893568, -1798204416 (list; graph; listen)
OFFSET

1,1

COMMENT

The hexagonal lattice is the familiar 2-dimensional lattice in which each point has 6 neighbors. This is sometimes called the triangular lattice.

REFERENCES

G. A. Baker et al., On the two-dimensional, spin-1/2 Heisenberg ferromagnetic models, Phys. Lett., 25A (1967), 207-209.

LINKS

G. Nebe and N. J. A. Sloane, Home page for hexagonal (or triangular) lattice A2

CROSSREFS

Sequence in context: A052625 A083233 A002918 this_sequence A037184 A085457 A105627

Adjacent sequences: A005396 A005397 A005398 this_sequence A005400 A005401 A005402

KEYWORD

sign

AUTHOR

njas

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Last modified September 5 01:44 EDT 2008. Contains 143476 sequences.


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