id:A023912 - OEIS Search Results

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Theta series of A_21 lattice.

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1, 462, 43890, 1501500, 23437722, 198944592, 1114627514, 4828206900, 17160463320, 52574485502, 143000133276, 353652649308, 808266398940, 1728870130680, 3496186881264, 6732994928660, 12429951473478 (list; graph; listen)

	OFFSET	`0,2`
	REFERENCES	`J. H. Conway and N. J. A. Sloane, "Sphere Packings, Lattices and Groups", Springer-Verlag, p. 110.`
	CROSSREFS	`Sequence in context: A154056 A027816 A027823 this_sequence A027565 A035847 A140905` `Adjacent sequences: A023909 A023910 A023911 this_sequence A023913 A023914 A023915`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`
	EXTENSIONS	`More terms from Robert.Harley(AT)inria.fr, see A023902.`

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Last modified December 17 23:40 EST 2009. Contains 171025 sequences.

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