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A006946 Independence number of De Bruijn graph of order n.
(Formerly M0834)
0
1, 2, 3, 7, 13, 28, 55 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

REFERENCES

N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

N. Lichiardopol, Independence number of de Bruijn graphs, Discrete Math., 306 (2006),no.12, 1145-1160. [From Herman Jamke (hermanjamke(AT)fastmail.fm), Sep 07 2010]

LINKS

Eric Weisstein's World of Mathematics, Link to a section of The World of Mathematics.

CROSSREFS

Sequence in context: A024504 A088172 A048573 * A074129 A055003 A175248

Adjacent sequences:  A006943 A006944 A006945 * A006947 A006948 A006949

KEYWORD

nonn,more

AUTHOR

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

EXTENSIONS

a(7) from Herman Jamke (hermanjamke(AT)fastmail.fm), Sep 07 2010

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Last modified February 17 07:41 EST 2012. Contains 205998 sequences.