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A008431 Theta series of D_9 lattice. 0
1, 144, 2034, 7392, 22608, 44640, 93984, 141120, 262386, 343536, 557280, 703584, 1068384, 1234080, 1851264, 2057280, 2884176, 3231936, 4428242, 4639392, 6455520, 6670272, 8814816, 9320256 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

REFERENCES

J. H. Conway and N. J. A. Sloane, "Sphere Packings, Lattices and Groups", Springer-Verlag, p. 118.

CROSSREFS

Sequence in context: A109117 A186934 A066445 * A121344 A185745 A075739

Adjacent sequences:  A008428 A008429 A008430 * A008432 A008433 A008434

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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Last modified February 15 09:00 EST 2012. Contains 205746 sequences.