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A001035 Number of partially ordered sets ("posets") with n labeled elements (or labeled acyclic transitive digraphs).
(Formerly M3068 N1244)
+0
18
1, 1, 3, 19, 219, 4231, 130023, 6129859, 431723379, 44511042511, 6611065248783, 1396281677105899, 414864951055853499, 171850728381587059351, 98484324257128207032183, 77567171020440688353049939, 83480529785490157813844256579, 122152541250295322862941281269151, 241939392597201176602897820148085023 (list; graph; listen)
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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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