A049339 Number of n-node planar graphs with even degrees.

1, 1, 2, 3, 6, 14, 36, 121, 533, 3067, 21798, 180898, 1648907, 15977626

Offset

1,3

References

M. Kirchweger, M. Scheucher, and S. Szeider, SAT-Based Generation of Planar Graphs, in preparation.

Links

Table of n, a(n) for n=1..14.

Crossrefs

Row sums of A049340.

Euler transform of A049365.

Sequence in context: A341630 A001420 A337186 * A157100 A081293 A193215

Adjacent sequences: A049336 A049337 A049338 * A049340 A049341 A049342

Keyword

nonn,nice,hard,more

Author

Brendan McKay

Extensions

a(12) from Sean A. Irvine, Jul 30 2021

a(13)-a(14) from Manfred Scheucher, Mar 8-10 2023

Status

approved