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A343869
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Number of unlabeled nonseparable (or 2-connected) planar graphs with n edges.
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4
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1, 0, 1, 1, 2, 4, 7, 16, 41, 108, 320, 1042, 3575, 13064, 49938, 197729, 805991, 3363084, 14302891, 61813285, 270805177, 1200460492, 5376709415, 24302430375, 110745093999, 508380790741
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,5
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COMMENTS
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Terms may be computed using the tools geng and planarg in nauty.
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LINKS
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PROG
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(nauty)
# count graphs for the sequence by number of vertices v, sum over v afterwards
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CROSSREFS
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KEYWORD
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nonn,more
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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