A011985 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

A011985

Covering numbers C(n,7,4) (next term is <= 24).

0

1, 5, 6, 10, 17

(list; graph; refs; listen; history; text; internal format)

OFFSET

7,2

REFERENCES

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

LINKS

Table of n, a(n) for n=7..11.

D. Gordon, La Jolla Repository of Coverings

Index entries for covering numbers

CROSSREFS

Sequence in context: A015820 A096728 A329271 * A318907 A231503 A254227

Adjacent sequences: A011982 A011983 A011984 * A011986 A011987 A011988

KEYWORD

nonn,hard

AUTHOR

N. J. A. Sloane.

STATUS

approved