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A293501
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Number of unlabeled semiorders on n points and having dimension 3
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0
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3, 40, 318, 1974, 10603, 51894, 238413, 1047440, 4454826, 18496217, 75416600, 303287250, 1206781482, 4762466651, 18674965709, 72866587238, 283217927396, 1097537249485, 4243554109115, 16379413110981, 63142882465324, 243203630272390
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OFFSET
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7,1
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LINKS
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FORMULA
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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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