|
| |
|
|
A006946
|
|
Independence number of De Bruijn graph of order n on two symbols.
(Formerly M0834)
|
|
1
|
| |
|
|
|
OFFSET
|
1,2
|
|
|
REFERENCES
|
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
|
|
|
LINKS
|
Table of n, a(n) for n=1..7.
N. Lichiardopol, Independence number of de Bruijn graphs, Discrete Math., 306 (2006), no.12, 1145-1160. [Herman Jamke (hermanjamke(AT)fastmail.fm), Sep 07 2010]
Eric Weisstein's World of Mathematics, de Bruijn Graph
Eric Weisstein's World of Mathematics, Independence Number
|
|
|
MATHEMATICA
|
Length /@ Table[FindIndependentVertexSet[DeBruijnGraph[2, n]][[1]], {n, 6}]
|
|
|
CROSSREFS
|
Sequence in context: A088172 A048573 A221834 * A074129 A233042 A055003
Adjacent sequences: A006943 A006944 A006945 * A006947 A006948 A006949
|
|
|
KEYWORD
|
nonn,more,hard
|
|
|
AUTHOR
|
N. J. A. Sloane, Herb Taylor
|
|
|
EXTENSIONS
|
a(7) from Herman Jamke (hermanjamke(AT)fastmail.fm), Sep 07 2010
|
|
|
STATUS
|
approved
|
| |
|
|
