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A024211 Theta series of laminated lattice LAMBDA_25 with minimal norm 4. 0
1, 0, 0, 0, 196656, 8192, 16967424, 2260992, 414835410, 91570176, 5027174400 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,5

REFERENCES

J. H. Conway and N. J. A. Sloane, "Sphere Packings, Lattices and Groups", Springer-Verlag, p. 177.

LINKS

Table of n, a(n) for n=0..10.

G. Nebe and N. J. A. Sloane, Home page for this lattice

EXAMPLE

Derivation from Leech lattice sequences A004034 and A008408:

.........1 = .........................1

.........0 = .........................0

.........0 = ............0.+..........0.+.........0

.........0 = ............0.+..........0.+.........0

....196656 = ...........48.+.....196560.+........48

......8192 = .........4096.+..........0.+......4096

..16967424 = ........97152.+...16773120.+.....97152

...2260992 = ......1130496.+..........0.+...1130496

.414835410 = 1.+...8400704.+..398034000.+...8400704.+.1

..91570176 = 0.+..45785088.+..........0.+..45785088.+.0

5027174400 = 0.+.198896640.+.4629381120.+.198896640.+.0

CROSSREFS

Sequence in context: A037148 A323282 A175744 * A204943 A113919 A001379

Adjacent sequences:  A024208 A024209 A024210 * A024212 A024213 A024214

KEYWORD

nonn

AUTHOR

N. J. A. Sloane.

EXTENSIONS

Corrected and extended by Edward Pervin, Jun 10, 2002

STATUS

approved

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Last modified September 18 11:36 EDT 2020. Contains 337169 sequences. (Running on oeis4.)