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A000798 Number of different quasi-orders (or topologies, or transitive digraphs) with n labeled elements.
(Formerly M3631 N1476)
+0
13
1, 1, 4, 29, 355, 6942, 209527, 9535241, 642779354, 63260289423, 8977053873043, 1816846038736192, 519355571065774021, 207881393656668953041, 115617051977054267807460, 88736269118586244492485121, 93411113411710039565210494095, 134137950093337880672321868725846, 261492535743634374805066126901117203 (list; graph; listen)
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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.


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