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A018926
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Number of ways to partition an n-cube into subcubes (without reducing isomorphic cases); number of labeled squashed n-cubes; ways to make a tautology from disjoint terms with n Boolean variables; number of Rivest compression schemes for n-bit retrieval.
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1
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OFFSET
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0,2
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REFERENCES
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D. E. Knuth, personal communication.
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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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EXTENSIONS
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STATUS
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approved
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