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A015684 Expansion of theta_3^(-7/2). 0
1, -7, 63, -693, 8841, -127575, 2047815, -36081045, 690863985, -14263534215, 315469515375, -7434244696725, 185817177956025, -4906778826324375, 136422375634920375, -3981559981797523125, 121659806332798358625 (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. 102.

CROSSREFS

Sequence in context: A182603 A024088 A155132 * A051579 A049464 A084063

Adjacent sequences:  A015681 A015682 A015683 * A015685 A015686 A015687

KEYWORD

sign

AUTHOR

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

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Last modified February 17 19:13 EST 2012. Contains 206085 sequences.