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Search: id:A060631
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| A060631 |
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Number of independent sets in an n-dimensional hypercube modulo symmetries of the hypercube. |
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+0
1
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OFFSET
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0,1
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EXAMPLE
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The six independent sets of the 3-cube are: the empty set, one vertex, two vertices on a common facet, two vertices on opposite corners, three neighbors of a vertex, and four vertices of a tetrahedron.
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CROSSREFS
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Sequence in context: A095902 A103687 A032908 this_sequence A096100 A021451 A134232
Adjacent sequences: A060628 A060629 A060630 this_sequence A060632 A060633 A060634
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KEYWORD
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nonn,nice
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AUTHOR
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David Eppstein (eppstein(AT)ics.uci.edu), Apr 14 2001
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