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A004037
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The coding-theoretic function A(n,6,4).
(Formerly M0291 N0104)
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0
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1, 1, 2, 2, 3, 5, 6, 9, 13, 14, 15, 20, 20, 22, 25, 30, 31, 37, 40, 42, 50, 52, 54, 63, 65, 67, 76, 80, 82, 92, 96, 99, 111, 114, 117, 130, 133, 136, 149, 154, 157, 171, 176, 180, 196, 200, 204, 221, 225, 229, 246
(list; graph; refs; listen; history; internal format)
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OFFSET
| 5,3
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REFERENCES
| A. E. Brouwer, Optimal packings of K_4's into a K_n, J. Combin. Theory, A 26 (1979), 278-297.
Brouwer, A. E.; Schrijver, A.; Hanani, H.; Group divisible designs with block-size four. Discrete Math. 20 (1977/78), no. 1, 1-10.
A. E. Brouwer, J. B. Shearer, N. J. A. Sloane and W. D. Smith, New table of constant weight codes, IEEE Trans. Info. Theory 36 (1990), 1334-1380.
CRC Handbook of Combinatorial Designs, 1996, p. 411.
N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
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LINKS
| E. M. Rains and N. J. A. Sloane, A(n,d,w) tables
Index entries for sequences related to A(n,d,w)
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CROSSREFS
| Sequence in context: A017819 A050044 A143438 * A160235 A050380 A111077
Adjacent sequences: A004034 A004035 A004036 * A004038 A004039 A004040
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KEYWORD
| nonn
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AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com).
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EXTENSIONS
| Offset corrected by Du, Zhao Hui (zhao.hui.du(AT)gmail.com), Aug 14 2008
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