A060440 Triangle T(n,k), 1 <= k <= n, giving maximal size of code of length n and covering radius k over alphabet of size 4.

1, 4, 1, 8, 4, 1, 24, 7, 4, 1, 64, 16, 4, 4, 1

Offset

1,2

References

G. D. Cohen et al., Covering Codes, North-Holland, 1997, p. 174.

Links

Table of n, a(n) for n=1..15.

Gerzson Kéri, Tables for Bounds on Covering Codes.

Index entries for sequences related to covering codes

Example

1; 4,1; 8,4,1; 24,7,4,1; ...

Crossrefs

Cf. A060438, A060439.

Sequence in context: A340531 A096051 A350637 * A340527 A021709 A193337

Adjacent sequences: A060437 A060438 A060439 * A060441 A060442 A060443

Keyword

nonn,tabl,nice

Author

N. J. A. Sloane, Apr 07 2001

Extensions

T(5,2)-T(5,5) from Andrey Zabolotskiy, Apr 11 2017 using Gerzson Kéri's tables.

Status

approved