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

Author

N. J. A. Sloane, Apr 07 2001

Keywords

• nonn
• tabl
• nice

Examples

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

References

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

Links

• Gerzson Kéri, Tables for Bounds on Covering Codes.
• Index entries for sequences related to covering codes

Crossrefs

Cf. A060438, A060439.

Extensions

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