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A002272 Theta series of 32-dimensional Quebbemann lattice Q_32. +0
2
1, 0, 0, 261120, 18947520, 535818240, 8320327680, 83347937280, 622558664640, 3614759362560, 17694184734720, 73337844372480, 272615629589760, 898646461378560, 2752654757806080, 7687895624386560 (list; graph; listen)
OFFSET

0,4

REFERENCES

H.-G. Quebbemann, Lattices with theta-functions for G(sqrt(2)) and linear codes, J. Algebra, 105 (1987), 443-450.

H.-G. Quebbemann, Modular lattices in Euclidean spaces, J. Number Theory, 54 (1995), 190-202.

LINKS

N. Heninger, E. M. Rains and N. J. A. Sloane, On the Integrality of n-th Roots of Generating Functions, J. Combinatorial Theory, Series A, 113 (2006), 1732-1745.

G. Nebe and N. J. A. Sloane, Home page for this lattice

CROSSREFS

Adjacent sequences: A002269 A002270 A002271 this_sequence A002273 A002274 A002275

Sequence in context: A157670 A153980 A146897 this_sequence A066914 A013694 A075970

KEYWORD

nonn

AUTHOR

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

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Last modified November 9 12:23 EST 2009. Contains 166233 sequences.


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