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A292991
Number of independent vertex sets and vertex covers in the n-permutation star graph.
0
2, 3, 18, 35219
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OFFSET
1,1
LINKS
Table of n, a(n) for n=1..4.
Eric Weisstein's World of Mathematics,
Independent Vertex Set
Eric Weisstein's World of Mathematics,
Permutation Star Graph
Eric Weisstein's World of Mathematics,
Vertex Cover
CROSSREFS
Sequence in context:
A073983
A230602
A269343
*
A139319
A269251
A092925
Adjacent sequences:
A292988
A292989
A292990
*
A292992
A292993
A292994
KEYWORD
nonn
,
more
AUTHOR
Eric W. Weisstein
, Sep 27 2017
STATUS
approved
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Last modified June 4 19:15 EDT 2024. Contains 373102 sequences. (Running on oeis4.)