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A028506
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Number of non-descending integral vectors b of length n such that number of symmetric 0-1-matrices A of order n with row sums <= b is odd.
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1
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OFFSET
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1,2
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COMMENTS
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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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TORSTEN.SILLKE(AT)LHSYSTEMS.COM
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EXTENSIONS
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STATUS
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approved
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