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A004537
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Theta series of 23-dimensional shorter Leech lattice.
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0
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1, 0, 0, 4600, 93150, 953856, 6476800, 32788800, 133204500, 458086400, 1384998912, 3771829800, 9403968600, 21771763200, 47406643200, 97917423808, 192825064350, 364086835200, 663509299200, 1171711866600
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,4
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REFERENCES
| J. H. Conway, A. M. Odlyzko and N. J. A. Sloane, Extremal Self-Dual Lattices Exist Only in Dimensions 1-8, 12, 14, 15, 23 and 24, Mathematika, 25 (1978), 36-43.
J. H. Conway and N. J. A. Sloane, "Sphere Packings, Lattices and Groups", Springer-Verlag, p. 441.
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LINKS
| N. Heninger, E. M. Rains and N. J. A. Sloane, On the Integrality of n-th Roots of Generating Functions, J. Combinatorial Theory, Series A, 113 (2006), 1732-1745.
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CROSSREFS
| Sequence in context: A068756 A205231 A185470 * A204655 A204652 A032745
Adjacent sequences: A004534 A004535 A004536 * A004538 A004539 A004540
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KEYWORD
| nonn,nice
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AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com).
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