%I

%S 1,3,10,61,564

%N Number of embeddings on the sphere of two-connected planar graphs with n nodes.

%D R. C. Read and R. J. Wilson, An Atlas of Graphs, Oxford, 1998.

%Y Cf. A005142, A021103.

%K nonn,nice,more

%O 3,2

%A R. C. Read (rcread(AT)math.uwaterloo.ca)