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A049369 Number of n-node planar graphs with minimum degree at least 1. 1
0, 1, 2, 7, 22, 109, 680, 6144, 72887, 1061063, 17540092, 314631443 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,3
LINKS
CROSSREFS
Cf. A005470.
Sequence in context: A057787 A217138 A004300 * A327697 A308548 A153523
KEYWORD
nonn,nice,hard
AUTHOR
EXTENSIONS
a(12) from Sean A. Irvine, Aug 13 2021
STATUS
approved

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Last modified June 17 03:24 EDT 2024. Contains 373432 sequences. (Running on oeis4.)