A361371 Number of weakly 3-connected simple planar digraphs with n unlabeled nodes.

42, 2688, 316208

Offset

4,1

References

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

Links

Table of n, a(n) for n=4..6.

Crossrefs

Directed variant of A000944.

Cf. A000273, A003085, A361366-A361370

Sequence in context: A294978 A180371 A046198 * A214580 A294626 A361370

Adjacent sequences: A361368 A361369 A361370 * A361372 A361373 A361374

Keyword

nonn,more

Author

Manfred Scheucher, Mar 09 2023

Status

approved