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Search: id:A126928
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| A126928 |
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Coordination sequence for 16-dimensional cyclotomic lattice Z[zeta_40]. |
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+0
1
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| 1, 40, 800, 10600, 104360, 813400, 5229440, 28562200, 135572000, 569558760, 2150276800, 7389308840, 23367148600, 68636533400, 188771088160, 489493290200, 1203878338240, 2822878985000, 6339184744800, 13687255667560, 28512882878600, 57481510167640
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OFFSET
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0,2
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REFERENCES
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M. Beck and S. Hosten, Cyclotomic polytopes and growth series of cyclotomic lattices, arXiv math.CO/0508136.
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FORMULA
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G.f.: (x^4+6*x^3+16*x^2+6*x+1)^4/(1-x)^16.
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CROSSREFS
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Sequence in context: A022073 A010956 A006240 this_sequence A035715 A035609 A010992
Adjacent sequences: A126925 A126926 A126927 this_sequence A126929 A126930 A126931
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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), Mar 18 2007
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