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A297049 Number of edge covers in the n X n black bishop graph. 2
0, 1, 24, 7727, 2494936740, 25307171607331423, 15900270561859760919435630132, 1222687716170419330982627155048858310990681, 381227447067591911693777422129578054172394402181491165828756232 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,3
LINKS
Table of n, a(n) for n=1..9.
Eric Weisstein's World of Mathematics, Black Bishop Graph
Eric Weisstein's World of Mathematics, Edge Cover
CROSSREFS
Cf. A297048, A297050.
Sequence in context: A275054 A088616 A158042 * A147860 A159409 A167824
Adjacent sequences: A297046 A297047 A297048 * A297050 A297051 A297052
KEYWORD
nonn,more
AUTHOR
Eric W. Weisstein, Dec 24 2017
EXTENSIONS
a(6)-a(9) from Andrew Howroyd, Dec 27 2017
STATUS
approved

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Last modified May 15 21:53 EDT 2024. Contains 372549 sequences. (Running on oeis4.)