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A234603
Numbers of undirected cycles in the n X n black bishop graph.
3
2, 53, 12424, 12300529, 504040211574, 84649132742336262, 1080241691057266946999792
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OFFSET
3,1
LINKS
Table of n, a(n) for n=3..9.
Eric Weisstein's World of Mathematics,
Black Bishop Graph
Eric Weisstein's World of Mathematics,
Graph Cycle
CROSSREFS
Cf.
A234630
,
A234636
,
A234624
,
A282889
,
A234632
.
Sequence in context:
A176943
A176946
A265443
*
A087865
A278843
A083471
Adjacent sequences:
A234600
A234601
A234602
*
A234604
A234605
A234606
KEYWORD
nonn
,
hard
,
more
AUTHOR
Eric W. Weisstein
, Dec 28 2013
EXTENSIONS
a(7) from
Eric W. Weisstein
, Jan 04 2014
a(3) prepended and a(8)-a(9) from
Andrew Howroyd
, May 08 2017
STATUS
approved
