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A005952 Theta series of P_{12a} packing.
(Formerly M5481)
0
1, 0, 840, 2560, 26376, 30720, 204960, 168960, 843528, 593920, 2625840, 1605120, 6435744, 3717120, 14118720, 7633920, 26992392, 14192640, 49806120, 24752640, 82451376 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

REFERENCES

J. H. Conway and N. J. A. Sloane, "Sphere Packings, Lattices and Groups", Springer-Verlag, p. 139.

N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

LINKS

Table of n, a(n) for n=0..20.

CROSSREFS

Sequence in context: A158402 A045477 A232099 * A260473 A177021 A276161

Adjacent sequences:  A005949 A005950 A005951 * A005953 A005954 A005955

KEYWORD

easy,nonn,more

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified January 17 14:12 EST 2019. Contains 319225 sequences. (Running on oeis4.)