A008447 - OEIS

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A008447

Theta series of A_7 lattice.

1, 56, 420, 896, 2366, 3360, 6440, 7168, 14196, 14168, 22120, 24192, 37912, 33824, 55440, 50176, 75838, 71232, 98700, 88704, 141960, 117824, 156520, 150528, 217672, 173656, 261240, 218624, 303424 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,2`
	REFERENCES	`J. H. Conway and N. J. A. Sloane, "Sphere Packings, Lattices and Groups", Springer-Verlag, p. 110.`
	PROG	`(MAGMA) L:=Lattice("A", 7); T1<q> := ThetaSeries(L, 60);`
	CROSSREFS	`Cf. A023919 (dual).` `Sequence in context: A181705 A075283 A205313 * A076647 A187159 A067234` `Adjacent sequences: A008444 A008445 A008446 * A008448 A008449 A008450`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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Last modified February 14 17:38 EST 2012. Contains 205647 sequences.