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A085628
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Number of antisymmetric transitive binary relations on n labeled points.
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4
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1, 2, 12, 152, 3504, 135392, 8321472, 784621952, 110521185024, 22789653765632, 6769730814753792, 2859584874712881152, 1699286839524775931904, 1407801166901961190203392, 1613567168628788544015286272, 2541721059997800475952740401152, 5470980000021882982488097199161344
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OFFSET
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0,2
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LINKS
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FORMULA
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MATHEMATICA
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A001035 = Cases[Import["https://oeis.org/A001035/b001035.txt", "Table"], {_, _}][[All, 2]];
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CROSSREFS
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Cf. A079265 (unlabeled antisymmetric transitive relations), A001035 (labeled partial orders), A000798 (labeled reflexive transitive relations), A006905 (labeled transitive relations).
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KEYWORD
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nonn
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AUTHOR
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Goetz Pfeiffer (goetz.pfeiffer(AT)nuigalway.ie), Jan 21 2004
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EXTENSIONS
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STATUS
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approved
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