A011989 Covering numbers C(n,8,5).

1, 6, 8, 16, 26

Offset

8,2

Comments

a(13) <= 43.

References

CRC Handbook of Combinatorial Designs, 1996, p. 263.

Links

Table of n, a(n) for n=8..12.

D. Gordon, La Jolla Repository of Coverings.

Wikipedia, Covering design.

Index entries for covering numbers.

Crossrefs

Sequence in context: A048228 A067543 A006583 * A270821 A139452 A245643

Adjacent sequences: A011986 A011987 A011988 * A011990 A011991 A011992

Keyword

nonn,hard,more

Author

N. J. A. Sloane

Status

approved