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A023936

Theta series of A*_24 lattice.

1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 50, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 600, 0, 600, 0, 0, 0, 0, 0, 0, 0, 4600, 0, 0, 0, 13800, 0, 0, 0, 0, 25300, 0, 0, 0, 0, 0, 101250, 0, 182160, 0, 0, 0, 0, 0, 0, 354200, 532500, 0, 0, 0, 1063800, 961400, 0, 0, 0, 2139000 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`0,13`
	REFERENCES	`J. H. Conway and N. J. A. Sloane, "Sphere Packings, Lattices and Groups", Springer-Verlag, p. 114.`
	LINKS	`Table of n, a(n) for n=0..67.` `Kok Seng Chua, The Root Lattice A*n and Ramanujan's Circular Summation of Theta Functions, Proc. Amer. Math. Soc. 130 (2002), 1-8.`
	CROSSREFS	`Sequence in context: A203499 A013843 A303146 * A324676 A015066 A022078` `Adjacent sequences: A023933 A023934 A023935 * A023937 A023938 A023939`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane.`
	EXTENSIONS	`More terms from Sean A. Irvine, Jul 15 2020`
	STATUS	`approved`

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Last modified September 11 13:05 EDT 2024. Contains 375829 sequences. (Running on oeis4.)