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A295177 Chromatic invariant of the n X n king graph. 0
1, 2, 48, 31328, 473555616, 155337138737984, 1070159970425515438368, 152060635426686819239358391520, 440726752780548858707046038903585268960, 25867445082047583284454362951686346866758358099808 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..10.

Eric Weisstein's World of Mathematics, Chromatic Invariant

Eric Weisstein's World of Mathematics, King Graph

CROSSREFS

Cf. A182517, A212208, A212209, A289136.

Sequence in context: A081960 A123742 A203311 * A098694 A137592 A203778

Adjacent sequences:  A295174 A295175 A295176 * A295178 A295179 A295180

KEYWORD

nonn,more

AUTHOR

Eric W. Weisstein, Nov 16 2017

EXTENSIONS

a(6)-a(10) from Andrew Howroyd, Apr 23 2018

STATUS

approved

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Last modified August 5 22:11 EDT 2020. Contains 336214 sequences. (Running on oeis4.)