A361366 Number of unlabeled simple planar digraphs with n nodes.

1, 3, 16, 218, 9026, 907123

Offset

1,2

References

M. Kirchweger, M. Scheucher, and S. Szeider, SAT-Based Generation of Planar Graphs, in preparation.

Links

Table of n, a(n) for n=1..6.

Crossrefs

Directed variant of A005470.

Cf. A000273

Sequence in context: A272658 A326903 A113597 * A000273 A071897 A182012

Adjacent sequences: A361363 A361364 A361365 * A361367 A361368 A361369

Keyword

nonn,more

Author

Manfred Scheucher, Mar 09 2023

Status

approved