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Search: id:A091848
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| A091848 |
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Johnson bound J(n,4,2). |
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+0
2
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| 1, 1, 2, 3, 3, 4, 5, 6, 7, 8, 9, 11, 12, 14, 15, 17, 18, 21, 22, 25, 26, 29, 30, 33, 35, 38, 40, 44, 45, 49, 51, 55, 57, 61, 63, 68, 70, 75
(list; graph; listen)
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OFFSET
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7,3
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REFERENCES
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W. Chu and C. J. Colbourn, Optimal (n,4,2)-OCC of small orders, Discrte Math., 279 (2004), 163-172.
F. J. MacWilliams and N. J. A. Sloane, The Theory of Error-Correcting Codes, Elsevier-North Holland, 1978, p. 527, Cor. 5.
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CROSSREFS
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Cf. A091848.
Sequence in context: A034886 A011882 A025767 this_sequence A017886 A029038 A011877
Adjacent sequences: A091845 A091846 A091847 this_sequence A091849 A091850 A091851
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KEYWORD
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nonn,easy,more
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com), Mar 13 2004
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EXTENSIONS
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Sequence should also be extended backwards to n=1.
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