id:A005950 - OEIS Search Results

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Theta series of 18-dimensional lattice associated with Sp_4(4), with det 256 and minimal norm 3.
(Formerly M5417)

+0
2

1, 0, 0, 240, 3060, 19584, 77760, 249120, 774180, 2110720, 4621824, 9294480, 19873920, 40049280, 68181120, 110984160, 198425700, 342524160, 509271040, 735758640, 1183095144 (list; graph; listen)

	OFFSET	`0,4`
	CROSSREFS	`Cf. A005944.` `Sequence in context: A124352 A049335 A004009 this_sequence A004536 A008340 A023906` `Adjacent sequences: A005947 A005948 A005949 this_sequence A005951 A005952 A005953`
	KEYWORD	`nonn,easy,nice`
	AUTHOR	`njas`
	EXTENSIONS	`In the Encyclopedia of Integer Sequences this lattice was incorrectly described as the laminated lattice LAMBDA_18.`

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Last modified July 19 08:04 EDT 2008. Contains 142098 sequences.

AT&T Labs Research