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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

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Last modified July 25 23:39 EDT 2021. Contains 346294 sequences. (Running on oeis4.)