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A297048 Number of edge covers in the n X n bishop graph. 2
0, 1, 168, 59706529, 393187796609898300, 640452934762921719920123363204929, 3953182835679963218417936393286738407349843878606730708, 1494965251274035901151835612145099097117648125436532015783603339637972099799668843761 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

LINKS

Table of n, a(n) for n=1..8.

Eric Weisstein's World of Mathematics, Bishop Graph

Eric Weisstein's World of Mathematics, Edge Cover

FORMULA

a(n) = A297049(n) * A297050(n) for n > 1. - Andrew Howroyd, Dec 27 2017

CROSSREFS

Cf. A297049, A297050.

Sequence in context: A008699 A223125 A003797 * A003929 A240069 A184035

Adjacent sequences:  A297045 A297046 A297047 * A297049 A297050 A297051

KEYWORD

nonn

AUTHOR

Eric W. Weisstein, Dec 24 2017

EXTENSIONS

a(6)-a(8) from Andrew Howroyd, Dec 27 2017

STATUS

approved

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Last modified November 19 06:03 EST 2019. Contains 329310 sequences. (Running on oeis4.)