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Number of weakly connected simple planar digraphs with n unlabeled nodes.
1

%I #12 Mar 10 2023 10:09:09

%S 2,13,199,8782,897604

%N Number of weakly connected simple planar digraphs with n unlabeled nodes.

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

%Y Directed variant of A003094.

%Y Cf. A000273, A003085, A361366

%K nonn,more

%O 2,1

%A _Manfred Scheucher_, Mar 09 2023