login
This site is supported by donations to The OEIS Foundation.
Logo

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A011986 Covering numbers C(n,7,4) (next term is <= 19). 0
1, 5, 5, 9, 12 (list; graph; refs; listen; history; internal format)
OFFSET

8,2

REFERENCES

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

LINKS

D. Gordon, La Jolla Repository of Coverings

Index entries for covering numbers

CROSSREFS

Sequence in context: A124175 A168277 A163980 * A047880 A058491 A058584

Adjacent sequences:  A011983 A011984 A011985 * A011987 A011988 A011989

KEYWORD

nonn,hard

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
Recent Additions | More pages | Superseeker | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement .

Last modified February 16 13:48 EST 2012. Contains 205921 sequences.