A102598 Number of n-node unlabeled connected digraphs whose underlying graphs are mating graphs, cf. A006024.

1, 2, 7, 102, 5034, 886456

Offset

1,2

Links

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

Crossrefs

Sequence in context: A277434 A322642 A192342 * A206157 A102747 A122524

Adjacent sequences: A102595 A102596 A102597 * A102599 A102600 A102601

Keyword

more,nonn

Author

Goran Kilibarda, Zoran Maksimovic, Vladeta Jovovic, Jan 22 2005

Status

approved