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A022043
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Theta series of D_12 lattice.
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2
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1, 264, 7944, 64416, 253704, 825264, 1938336, 4437312, 8118024, 15653352, 24832944, 42517728, 61903776, 98021616, 133522752, 201364416, 259776264, 374842512, 471023592, 653690400, 793078704, 1082704128, 1279397088, 1699194816, 1980797856, 2578950264, 2949559536
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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. 118.
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LINKS
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MATHEMATICA
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terms = 21; f[q_] = LatticeData["D12", "ThetaSeriesFunction"][-I*Log[q]/Pi]; s = f[q] + O[q]^(2 terms); DeleteCases[CoefficientList[s, q], 0][[1 ;; terms]] (* Jean-François Alcover, Jul 06 2017 *)
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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