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A008664 Theta series of direct sum of f.c.c. and b.c.c. lattices. 0
1, 0, 0, 8, 18, 0, 0, 96, 90, 0, 0, 72, 212, 0, 0, 480, 330, 0, 0, 264, 528, 0, 0, 1056, 836, 0, 0, 528, 1056, 0, 0, 1920, 1386, 0, 0, 768, 1894, 0, 0, 3360, 2064, 0, 0, 1224, 2484, 0, 0, 4416, 3428, 0, 0, 1936 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,4

REFERENCES

J. H. Conway and N. J. A. Sloane, "Sphere Packings, Lattices and Groups", Springer-Verlag, p. 113, 116.

LINKS

Table of n, a(n) for n=0..51.

Index entries for sequences related to b.c.c. lattice

Index entries for sequences related to f.c.c. lattice

CROSSREFS

Sequence in context: A176823 A316199 A300905 * A107779 A018874 A163900

Adjacent sequences:  A008661 A008662 A008663 * A008665 A008666 A008667

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified January 20 17:05 EST 2019. Contains 319335 sequences. (Running on oeis4.)