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A005951 Theta series of P_{9a} packing.
(Formerly M5436)
0
1, 0, 0, 0, 306, 0, 0, 0, 3024, 512, 0, 0, 13344, 0, 0, 0, 36594, 4608, 0, 0, 78048, 0, 0, 0, 149088, 18432, 0, 0, 256896, 0, 0, 0, 405072, 47616, 0, 0, 620306, 0, 0, 0, 900576 (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. 140.

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..40.

CROSSREFS

Sequence in context: A247344 A220601 A156168 * A294596 A294710 A206271

Adjacent sequences:  A005948 A005949 A005950 * A005952 A005953 A005954

KEYWORD

nonn

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified January 21 02:59 EST 2019. Contains 319344 sequences. (Running on oeis4.)