A295177 Chromatic invariant of the n X n king graph.

1, 2, 48, 31328, 473555616, 155337138737984, 1070159970425515438368, 152060635426686819239358391520, 440726752780548858707046038903585268960, 25867445082047583284454362951686346866758358099808

Offset: 1

Author

Eric W. Weisstein, Nov 16 2017

Keywords

• nonn
• more

Links

• Eric Weisstein's World of Mathematics, Chromatic Invariant
• Eric Weisstein's World of Mathematics, King Graph

Crossrefs

Cf. A182517, A212208, A212209, A289136.

Extensions

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