id:A029682 - OEIS Search Results

Search: id:A029682

Displaying 1-1 of 1 results found.

page 1

Theta series of quadratic form with Gram matrix [ 2, 1, 0; 1, 2, 1; 0, 1, 4 ].

+0
1

1, 6, 6, 12, 18, 0, 12, 24, 18, 18, 6, 24, 24, 24, 12, 8, 42, 12, 30, 48, 0, 24, 36, 24, 36, 6, 12, 48, 60, 24, 0, 48, 42, 24, 36, 12, 54, 48, 12, 48, 18, 24, 24, 84, 48, 0, 60, 24, 48, 42, 6, 72, 72, 24, 48, 0, 36, 48, 60, 48, 20, 48, 24, 72, 90, 12, 24, 108, 36, 24, 0, 48, 90, 60 (list; graph; listen)

	OFFSET	`0,2`
	COMMENT	`This is the trigonal R lattice (the even holotype) of dimension 3.`
	LINKS	`John Cannon, Table of n, a(n) for n = 0..5000` `G. Nebe and N. J. A. Sloane, Home page for this lattice`
	EXAMPLE	`1 + 6q^2 + 6q^4 + 12q^6 + 18q^8 + 12q^12 + 24q^14 + 18q^16 + 18q^18 + ...`
	CROSSREFS	`Sequence in context: A112437 A122223 A046625 this_sequence A014201 A022089 A110357` `Adjacent sequences: A029679 A029680 A029681 this_sequence A029683 A029684 A029685`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

page 1

Search completed in 0.002 seconds

Last modified November 27 22:38 EST 2009. Contains 167602 sequences.

AT&T Labs Research