Silly question-Please answer quickly



Can anybody give information about is there any theorem/formula for the
following..
if number of vertex is n then how many 3 connected cubic planar
graphs are possible?

For example, if n=4 then number of graphs possible=1
if n=6 then number of graphs possible=1
I found a link given below:

http://people.csse.uwa.edu.au/gordon/remote/cubicplanar/viewgraph.html
But here no formula is provided for n vertex.

Wishing quick reply
Babu

.



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