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A232978
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Number of proper 3-colorings of the bi-iterative graph family G^4_n.
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2
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6, 30, 318, 6762, 288354, 24601830, 4198550862, 1433090327658, 978320552816706, 1335732803916035910, 3647440466597769337518, 19919887407714391756372362, 217578288033980580931821414114, 4753070216383849406954016223981350, 207664806338411731603980735696210780942
(list;
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refs;
listen;
history;
text;
internal format)
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OFFSET
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0,1
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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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