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A071967 Theta series of 9-dimensional odd unimodular lattice E_8 + Z. 0
1, 2, 240, 480, 2162, 4320, 7200, 13440, 21840, 35042, 43680, 60960, 95520, 125280, 143040, 178560, 261362, 315840, 347280, 423840, 557280, 665280, 696480, 804480, 1069920, 1261922, 1227360, 1418880, 1845120, 2034720, 2066880, 2346240, 2890320 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

REFERENCES

M. Peters, Sums of nine squares, Acta Arith., 102 (2002), 131-135.

CROSSREFS

Cf. A004009.

Sequence in context: A101146 A159280 A087226 * A024348 A006523 A055968

Adjacent sequences:  A071964 A071965 A071966 * A071968 A071969 A071970

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), Jun 17 2002

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Last modified February 16 13:48 EST 2012. Contains 205921 sequences.