id:A005400 - OEIS Search Results

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High temperature series for spin-1/2 Heisenberg specific heat on 2D hexagonal lattice.
(Formerly M4603)

+0
2

0, 9, 18, -306, -3240, 49176, 1466640, -13626000, -1172668032, 75256704 (list; graph; listen)

	OFFSET	`1,2`
	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` `Index entries for sequences related to specific heat`
	CROSSREFS	`Sequence in context: A002169 A050685 A133361 this_sequence A071587 A134115 A061750` `Adjacent sequences: A005397 A005398 A005399 this_sequence A005401 A005402 A005403`
	KEYWORD	`sign`
	AUTHOR	`njas`
	EXTENSIONS	`Better description from S. R. Finch (Steven.Finch(AT)inria.fr)`

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Last modified August 29 17:54 EDT 2008. Contains 143238 sequences.