id:A007274 - OEIS Search Results

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Expansion for generalized walks on hexagonal lattice.
(Formerly M4222)

+0
1

1, 6, 36, 216, 1260, 7206, 40650, 227256, 1262832, 6983730, 38470220, 211220800, 1156490000, 6317095284, 34435495872 (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: A036162 A061708 A124535 this_sequence A126634 A007275 A000400` `Adjacent sequences: A007271 A007272 A007273 this_sequence A007275 A007276 A007277`
	KEYWORD	`nonn,walk`
	AUTHOR	`Simon Plouffe (plouffe(AT)math.uqam.ca)`

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Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.