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A032325
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Number of ways to partition n labeled elements into pie slices forming an aperiodic pattern.
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0
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1, 1, 4, 17, 126, 832, 8646, 83281, 1035670, 13155686, 200866326, 3090454952, 55704133590, 1028017657682, 21123701763534, 453986750729681, 10610386574074710, 258237311112260158
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OFFSET
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1,3
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LINKS
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FORMULA
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"CHJ" (necklace, identity, labeled) transform of 1, 1, 1, 1...
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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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