cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A361586 Number of digraphs on n unlabeled nodes in which every node belongs to a directed cycle.

Original entry on oeis.org

1, 0, 1, 5, 90, 5289, 1071691, 712342075, 1585944117738, 12152982231404393, 328276896613548366675, 31834464336872565979301363, 11234630426387288679040317490771, 14576388456695908232721134339830232699, 70075904005979773819582865772534172929477101
Offset: 0

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Author

Andrew Howroyd, Mar 16 2023

Keywords

Crossrefs

Column k=0 of A361590.
The labeled version is A086366.
Cf. A350794.

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