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Search: id:A002272
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| A002272 |
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Theta series of 32-dimensional Quebbemann lattice Q_32. |
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+0
2
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| 1, 0, 0, 261120, 18947520, 535818240, 8320327680, 83347937280, 622558664640, 3614759362560, 17694184734720, 73337844372480, 272615629589760, 898646461378560, 2752654757806080, 7687895624386560
(list; graph; listen)
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OFFSET
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0,4
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REFERENCES
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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.
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LINKS
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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
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CROSSREFS
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Sequence in context: A157670 A153980 A146897 this_sequence A066914 A013694 A075970
Adjacent sequences: A002269 A002270 A002271 this_sequence A002273 A002274 A002275
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KEYWORD
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nonn
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com).
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