id:A007275 - OEIS Search Results

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Expansion for generalized walks on hexagonal lattice.
(Formerly M4223)

+0
1

1, 6, 36, 216, 1296, 7776, 46440, 276054, 1633848, 9633366, 56616140, 331847200, 1940717000, 11327957196, 66010769382 (list; graph; listen)

	OFFSET	`0,2`
	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	`A. J. Guttmann, C. Byrnes and N. E. Frankel, A generalized self-avoiding walk, J. Phys. A 17 (1984), L457-L461.`
	LINKS	`G. Nebe and N. J. A. Sloane, Home page for hexagonal (or triangular) lattice A2`
	CROSSREFS	`Sequence in context: A124535 A007274 A126634 this_sequence A000400 A097681 A050736` `Adjacent sequences: A007272 A007273 A007274 this_sequence A007276 A007277 A007278`
	KEYWORD	`nonn,walk`
	AUTHOR	`Simon Plouffe (plouffe(AT)math.uqam.ca)`

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Last modified July 26 13:41 EDT 2008. Contains 142293 sequences.