A361583 Number of digraphs on n unlabeled nodes whose strongly connected components are complete digraphs.
1, 1, 3, 12, 88, 1217, 34672, 2039085, 246005109, 60296886108, 29828186693218, 29663937774464786, 59172529527454608139, 236453014376786629601848, 1891427400988740573006253862, 30274661556583530830890359188257, 969429810937979825934973090455224882
Offset: 0