id:A006775 - OEIS Search Results

Search: id:A006775

Displaying 1-1 of 1 results found.

page 1

Number of n-step spirals on hexagonal lattice.
(Formerly M1121)

+0
1

1, 2, 4, 8, 16, 31, 61, 115, 213, 388, 691, 1218, 2110, 3617, 6113, 10238, 16945, 27802, 45180, 72838, 116479, 184936, 291556, 456694, 710907, 1100192, 1693123, 2591830, 3947417, 5982953 (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: A102726 A118891 A107066 this_sequence A104993 A128761 A001591` `Adjacent sequences: A006772 A006773 A006774 this_sequence A006776 A006777 A006778`
	KEYWORD	`nonn,walk`
	AUTHOR	`njas`

page 1

Search completed in 0.002 seconds

Last modified July 19 08:04 EDT 2008. Contains 142098 sequences.

AT&T Labs Research