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A358697
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Number of self-avoiding closed paths in the 6 X n grid graph which pass through all vertices on four (left, right, upper, lower) sides of the graph.
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2
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1, 11, 122, 1123, 11346, 113748, 1153742, 11674245, 118180383, 1195822385, 12100751361, 122447319062
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OFFSET
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2,2
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LINKS
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CROSSREFS
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KEYWORD
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nonn,more
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AUTHOR
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STATUS
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approved
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