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A275292
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Number of set partitions of [n] with symmetric block size list of length nine.
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2
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1, 5, 95, 575, 7175, 49091, 513206, 3800358, 36298007, 282835456, 2571177913, 20702222482, 183079272792, 1505743012484, 13114463722858, 109381638489849, 944974537003694, 7956650229728706, 68468581589476475, 580345660548809882, 4986413617279183229
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OFFSET
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9,2
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LINKS
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FORMULA
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EXAMPLE
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a(10) = 5: 1|2|3|4|56|7|8|9|(10), 1|2|3|4|57|6|8|9|(10), 1|2|3|4|58|6|7|9|(10), 1|2|3|4|59|6|7|8|(10), 1|2|3|4|5(10)|6|7|8|9.
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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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