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A068259
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1/9 the number of colorings of an n X n square array with 9 colors.
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1
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1, 456, 10556008, 12405232610688, 740083033797732630216, 2241435875640746831506090496496, 344621623364019594715666338046505649098368, 2689856201334666341950387692094152693428585565204907488, 1065825084866806867830786487316472449826266534389338451645760215077416
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OFFSET
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1,2
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LINKS
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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