id:A002495 - OEIS Search Results

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Theta series of 27-dimensional unimodular lattice with root system A_1 with no parity vector of norm 3.

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1, 0, 2, 2676, 101118 (list; graph; listen)

	OFFSET	`0,3`
	REFERENCES	`R. Bacher and B. B. Venkov, Reseaux entiers unimodulaires sans racine en dimension 27 et 28, in Reseaux euclidiens, designs spheriques et formes modulaires, pp. 212-267, Enseignement Math., Geneva, 2001.`
	LINKS	`R. Bacher and B. B. Venkov, Reseaux entiers unimodulaires sans racine en dimension 27 et 28 (html, ps).`
	CROSSREFS	`Sequence in context: A135234 A114067 A109119 this_sequence A078457 A128148 A158348` `Adjacent sequences: A002492 A002493 A002494 this_sequence A002496 A002497 A002498`
	KEYWORD	`nonn,more`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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