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A011978 Covering numbers C(n,6,2) (next term is <= 15). +0
1
1, 3, 3, 3, 4, 6, 6, 7, 7, 10, 10, 12, 12 (list; graph; listen)
OFFSET

6,2

REFERENCES

CRC Handbook of Combinatorial Designs, 1996, p. 262.

LINKS

D. Gordon, La Jolla Repository of Coverings

Index entries for covering numbers

CROSSREFS

Sequence in context: A090903 A022878 A022877 this_sequence A091849 A035567 A108688

Adjacent sequences: A011975 A011976 A011977 this_sequence A011979 A011980 A011981

KEYWORD

nonn,hard

AUTHOR

njas

page 1

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Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.


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