A361586 Number of digraphs on n unlabeled nodes in which every node belongs to a directed cycle.
1, 0, 1, 5, 90, 5289, 1071691, 712342075, 1585944117738, 12152982231404393, 328276896613548366675, 31834464336872565979301363, 11234630426387288679040317490771, 14576388456695908232721134339830232699, 70075904005979773819582865772534172929477101
Offset: 0