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A297004
Number of edge covers in the n-Andrásfai graph.
0
1, 11, 1697, 2237073, 22753082339, 1743551025220123, 1013387130792201109033, 4531716216332697683659593705, 157988515580943223822696160770242451
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OFFSET
1,2
LINKS
Table of n, a(n) for n=1..9.
Eric Weisstein's World of Mathematics,
Andrásfai Graph
Eric Weisstein's World of Mathematics,
Edge Cover
CROSSREFS
Cf.
A290702
.
Sequence in context:
A027880
A222841
A287035
*
A308155
A222874
A028453
Adjacent sequences:
A297001
A297002
A297003
*
A297005
A297006
A297007
KEYWORD
nonn
,
more
AUTHOR
Eric W. Weisstein
, Dec 23 2017
EXTENSIONS
a(5)-a(9) from
Andrew Howroyd
, Dec 27 2017
STATUS
approved
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Last modified August 20 23:52 EDT 2024. Contains 375342 sequences. (Running on oeis4.)