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A022059
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Theta series of D_28 lattice.
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2
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1, 1512, 327656, 24189984, 811401192, 14500933104, 156797510688, 1163495873088, 6597606440936, 30505974273096, 119983597365744, 414352982942304, 1283861585339424, 3635198568784944, 9523977599887936, 23358459198626496, 54039921152557032, 118876818364991568
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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 = 15; f[q_] = LatticeData["D28", "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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