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A307936
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Numbers of (undirected) Hamiltonian paths in the complete tripartite graph K_{n,n,n}.
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0
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3, 120, 18792, 7547904, 6210432000, 9116955648000, 21746167511040000, 78775578609057792000, 411821286886186942464000, 2985318922218593845248000000, 29060162328471184917135360000000, 369984034079871408445744742400000000
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OFFSET
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1,1
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LINKS
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FORMULA
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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