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Search: id:A031137
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| A031137 |
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Weight distribution of [48,23,8] Rao-Reddy code. |
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+0
3
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| 1, 0, 0, 0, 7530, 92160, 1080384, 7342080, 34408911, 111507456, 255566784, 417404928, 492663180, 417404928, 255566784, 111507456, 34408911, 7342080, 1080384, 92160, 7530, 0, 0, 0, 1
(list; graph; listen)
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OFFSET
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0,5
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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. 234.
V. V. Rao and S. M. Reddy, A (48,31,8) linear code, IEEE Trans. Inform. Theory, 19 (1973), 709-711.
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LINKS
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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
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Cf. A031136, A108179.
Sequence in context: A093225 A090742 A077096 this_sequence A157322 A145313 A031675
Adjacent sequences: A031134 A031135 A031136 this_sequence A031138 A031139 A031140
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KEYWORD
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nonn,fini,full
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com).
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