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A068302
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1/13 the number of colorings of an n X n octagonal array with 13 colors.
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1
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1, 1320, 146520000, 1368698694000000, 1075984617953259154800000, 71185491858527630409715040263200000, 396336553255260873925931533264339353950473200000, 185705162149755607151153966767311643039842133737264420356400000
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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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