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A049339 Number of n-node planar graphs with even degrees. 2
1, 1, 2, 3, 6, 14, 36, 121, 533, 3067, 21798 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

LINKS

Table of n, a(n) for n=1..11.

CROSSREFS

Cf. A049340.

Sequence in context: A275774 A319323 A001420 * A157100 A081293 A193215

Adjacent sequences:  A049336 A049337 A049338 * A049340 A049341 A049342

KEYWORD

nonn,nice,hard

AUTHOR

Brendan McKay

STATUS

approved

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Last modified March 26 12:43 EDT 2019. Contains 321497 sequences. (Running on oeis4.)