A361370 Number of weakly 3-connected simple digraphs with n unlabeled nodes.

42, 3270, 879508

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 A006290.

Cf. A000273, A003085, A361367

Sequence in context: A214580 A377975 A294626 * A218409 A347169 A181193

Adjacent sequences: A361367 A361368 A361369 * A361371 A361372 A361373

Keyword

nonn,bref,more

Author

Manfred Scheucher, Mar 09 2023

Status

approved