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Search: id:A023915
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| A023915 |
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Theta series of A_24 lattice. |
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+0
1
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| 1, 600, 75900, 3555800, 77836050, 924978120, 6901688200, 37479599400, 162981777750, 594965730200, 1897531134180, 5410666657200, 14097598363900, 33985515175800, 76830818652600, 164035898209360
(list; graph; listen)
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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. 110.
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EXAMPLE
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1 + 600*q^2 + 75900*q^4 + 3555800*q^6 + O(q^8).
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PROGRAM
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(MAGMA) L:=Lattice("A", 24); T1<q> := ThetaSeries(L, 10);
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CROSSREFS
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Adjacent sequences: A023912 A023913 A023914 this_sequence A023916 A023917 A023918
Sequence in context: A090222 A092183 A048530 this_sequence A035850 A093260 A008689
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KEYWORD
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nonn
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AUTHOR
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njas
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EXTENSIONS
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More terms from Robert.Harley(AT)inria.fr, see A023902.
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