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Search: id:A030443
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| A030443 |
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Nonzero coefficients in theta series of {E_7}* lattice. |
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+0 2
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| 1, 56, 126, 576, 756, 1512, 2072, 4032, 4158, 5544, 7560, 12096, 11592, 13664, 16704, 24192, 24948, 27216, 31878, 44352, 39816, 41832, 55944
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OFFSET
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0,2
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REFERENCES
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J. H. Conway and N. J. A. Sloane, "Sphere Packings, Lattices and Groups", Springer-Verlag, p. 125.
M. Eichler and D. Zagier, The Theory of Jacobi Forms, Birkhauser, 1985, p. 141.
N. Elkies and B. H. Gross, Embeddings into the integral octonions, Olga Taussky-Todd: in memoriam, Pacific J. Math. 1997, Special Issue, 147-158.
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CROSSREFS
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Cf. A003781.
Sequence in context: A157330 A038849 A003781 this_sequence A135803 A048452 A121736
Adjacent sequences: A030440 A030441 A030442 this_sequence A030444 A030445 A030446
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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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