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A049365
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Number of connected planar graphs with n nodes and even degrees (i.e., that are Eulerian).
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1
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1, 0, 1, 1, 3, 7, 21, 81, 401, 2499, 18604, 158515, 1464681, 14305475
(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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M. Kirchweger, M. Scheucher, and S. Szeider, SAT-Based Generation of Planar Graphs, in preparation.
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LINKS
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CROSSREFS
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Inverse Euler transform of A049339.
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KEYWORD
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nonn,nice,more,hard
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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