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A068295
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1/6 the number of colorings of an n X n octagonal array with 6 colors.
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1
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1, 60, 21060, 44172540, 553785175620, 41503847098683420, 18595665812583520041060, 49808667823922052573513153300, 797553247913411612275102392386088300, 76343133584713932892876357250654965547341140, 43684986787209742051887297631700585399912369700067860
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listen;
history;
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internal format)
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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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