A029599 - OEIS

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A029599

Theta series of quadratic form with Gram matrix [ 4, 1, 0; 1, 2, 1; 0, 1, 6 ].

1, 2, 4, 4, 8, 10, 4, 2, 12, 14, 0, 14, 8, 8, 16, 12, 16, 10, 12, 0, 20, 20, 8, 12, 16, 12, 16, 8, 8, 36, 12, 16, 28, 12, 8, 18, 32, 20, 0, 12, 8, 28, 12, 6, 40, 34, 16, 18, 16, 20, 28, 12, 16, 40, 24, 10, 40, 0, 12, 28, 32, 18, 12, 14, 28, 32, 20, 16, 28, 40, 16, 36, 36, 10, 28, 24, 2 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,2`
	COMMENTS	`This is the monoclinic C 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 + 2q^2 + 4q^4 + 4q^6 + 8q^8 + 10q^10 + 4q^12 + 2q^14 + 12q^16 + ...`
	CROSSREFS	`Sequence in context: A107848 A188824 A181212 * A076466 A073117 A039879` `Adjacent sequences: A029596 A029597 A029598 * A029600 A029601 A029602`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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Last modified February 16 16:27 EST 2012. Contains 205938 sequences.