id:A002433 - OEIS Search Results

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Theta series of unique 26-dimensional unimodular lattice T_26 with no roots (and minimal norm 3).

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1, 0, 0, 3120, 102180, 1482624, 13191360, 83859360, 416587860, 1712638720, 6061945344, 19019791440, 54048571200, 141266958720, 343675612800, 786321725280, 1706284712340, 3532676509440 (list; graph; listen)

	OFFSET	`0,4`
	REFERENCES	`J. H. Conway and N. J. A. Sloane, "Sphere Packings, Lattices and Groups", Springer-Verlag, preface to 3rd edition.`
	FORMULA	`th3^26-52th3^18delta8+156th3^10delta8^2 (th3= A000122, delta8= A002408).`
	CROSSREFS	`Sequence in context: A092129 A103523 A090056 this_sequence A108907 A107535 A133526` `Adjacent sequences: A002430 A002431 A002432 this_sequence A002434 A002435 A002436`
	KEYWORD	`nonn`
	AUTHOR	`njas`

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Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.

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