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A049370
Number of n-node planar graphs with minimum degree at least 2.
1
0, 0, 1, 3, 10, 50, 335, 3194, 39347, 579323, 9506939, 167343828
OFFSET
1,4
LINKS
Eric Weisstein's World of Mathematics, Planar Graph.
CROSSREFS
Sequence in context: A088142 A276028 A209902 * A009343 A352414 A341648
KEYWORD
nonn,nice,hard,more
AUTHOR
EXTENSIONS
a(12) from Sean A. Irvine, Aug 21 2021
STATUS
approved