A029676 - OEIS

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A029676

Theta series of quadratic form with Gram matrix [ 3, 1, 0; 1, 3, 1; 0, 1, 4 ].

1, 0, 0, 4, 4, 2, 2, 4, 2, 2, 4, 6, 6, 2, 2, 2, 12, 2, 0, 14, 6, 2, 2, 4, 10, 6, 2, 14, 8, 0, 2, 12, 4, 2, 8, 8, 14, 4, 4, 8, 14, 2, 4, 14, 12, 8, 6, 2, 12, 8, 2, 16, 10, 2, 6, 16, 10, 0, 0, 16, 12, 10, 2, 12, 24, 2, 6, 20, 10, 6, 6, 8, 8, 4, 4, 24, 30, 2, 6, 14, 14, 8, 8, 12, 10, 2 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,4`
	COMMENTS	`This is the triclinic P lattice (the classical holotype) of dimension 3.`
	LINKS	`John Cannon, Table of n, a(n) for n = 0..10000` `G. Nebe and N. J. A. Sloane, Home page for this lattice`
	EXAMPLE	`1 + 4q^3 + 4q^4 + 2q^5 + 2q^6 + 4q^7 + 2q^8 + 2q^9 + 4q^10 + 6*q^11 + ...`
	CROSSREFS	`Sequence in context: A038800 A126712 A162232 * A105190 A002581 A161778` `Adjacent sequences: A029673 A029674 A029675 * A029677 A029678 A029679`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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Last modified February 17 07:41 EST 2012. Contains 205998 sequences.