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A004532
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Theta series of {D_10}^{+} lattice.
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1
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1, 0, 0, 0, 180, 512, 0, 0, 3380, 5120, 0, 0, 16320, 23040, 0, 0, 52020, 66560, 0, 0, 129064, 153600, 0, 0, 262080, 313344, 0, 0, 489600, 565760, 0, 0, 840500, 936960, 0, 0, 1330420, 1497600, 0, 0, 2050344, 2263040
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OFFSET
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0,5
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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. 120.
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LINKS
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FORMULA
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Expansion of (theta_2(q)^10 + theta_3(q)^10 + theta_4(q)^10)/2 in powers of q^(1/2).
Expansion of (Sum_{k=-inf..inf} q^((k+1/2)^2))^10 + (Sum_{k=-inf..inf} q^(k^2))^10 + (Sum_{k=-inf..inf} (-1)^k * q^(k^2))^10 in powers of q^(1/2). (End)
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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