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A271796
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Number of set partitions of [n] having exactly nine pairs (m,m+1) such that m is in some block b and m+1 is in block b+1.
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2
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0, 1, 55, 1505, 29324, 470327, 6695470, 88385973, 1111798442, 13564841773, 162467818939, 1926323411088, 22746380908378, 268674567620291, 3184862187668777, 37981401796219812, 456537084216273054, 5538881542974933954, 67901571491109849536, 841799517686212572527
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OFFSET
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9,3
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LINKS
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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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