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A289136
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Number of colorings of the n X n king graph up to permutation of the colors.
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4
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1, 1, 270, 30066912, 3662498214110836, 978788002444637886853083440, 1017523795194980592656592864724960780556190, 6723457445689415320074916040888682277646129463792942126176174
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,3
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LINKS
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MATHEMATICA
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A208021 = Import["https://oeis.org/A208021/b208021.txt", "Table"][[All, 2]];
a[n_] := A208021[[2 n^2 - 2 n + 1]];
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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