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A029867 Size of minimal covering code with 1 ternary coordinate and n binary coordinates, with covering radius 1. 0
1, 2, 3, 6, 8, 16, 24 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

REFERENCES

G. D. Cohen et al., Covering Codes, North-Holland, 1997, p. 398.

LINKS

Table of n, a(n) for n=0..6.

Index entries for sequences related to covering codes

CROSSREFS

Sequence in context: A091070 A133586 A141348 * A056348 A057574 A198296

Adjacent sequences:  A029864 A029865 A029866 * A029868 A029869 A029870

KEYWORD

nonn

AUTHOR

N. J. A. Sloane.

EXTENSIONS

Next 2 terms are in range 40-48, 76-84.

STATUS

approved

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Last modified February 19 18:22 EST 2019. Contains 320327 sequences. (Running on oeis4.)