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A004035 The coding-theoretic function A(n,4,5).
(Formerly M2729)
+0
1
1, 1, 3, 8, 18, 36, 66 (list; graph; listen)
OFFSET

5,3

REFERENCES

N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

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.

LINKS

E. M. Rains and N. J. A. Sloane, A(n,d,w) tables

Index entries for sequences related to A(n,d,w)

CROSSREFS

Sequence in context: A081489 A055278 A036628 this_sequence A000234 A136376 A099845

Adjacent sequences: A004032 A004033 A004034 this_sequence A004036 A004037 A004038

KEYWORD

nonn,hard

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

EXTENSIONS

A lower bound for the next term is 80. Is this the true value or is there a larger code?

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Last modified November 24 23:16 EST 2009. Contains 167481 sequences.


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