id:A006777 - OEIS Search Results

Search: id:A006777

Displaying 1-1 of 1 results found.

page 1

Number of n-step spirals on hexagonal lattice.
(Formerly M1098)

+0
1

1, 2, 4, 8, 14, 26, 43, 74, 120, 197, 311, 495, 768, 1189, 1811, 2748, 4116, 6136, 9058, 13299, 19370, 28069, 40399, 57856, 82374, 116736, 164574, 231007, 322749, 449089 (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. Szekeres and A. J. Guttmann, Spiral self-avoiding walks on the triangular lattice, J. Phys. A 20 (1987), 481-493.`
	LINKS	`G. Nebe and N. J. A. Sloane, Home page for hexagonal (or triangular) lattice A2`
	CROSSREFS	`Sequence in context: A066342 A020956 A065492 this_sequence A036609 A027557 A120545` `Adjacent sequences: A006774 A006775 A006776 this_sequence A006778 A006779 A006780`
	KEYWORD	`nonn`
	AUTHOR	`njas`

page 1

Search completed in 0.002 seconds

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

AT&T Labs Research