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A049365 Number of connected planar graphs with n nodes and even degrees (i.e., that are Eulerian). 0
1, 0, 1, 1, 3, 7, 21, 81, 401, 2499, 18604 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,5

LINKS

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

CROSSREFS

Sequence in context: A075211 A075212 A173794 * A288849 A031885 A259202

Adjacent sequences:  A049362 A049363 A049364 * A049366 A049367 A049368

KEYWORD

nonn,nice,more,hard

AUTHOR

Brendan McKay

STATUS

approved

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Last modified June 28 04:43 EDT 2017. Contains 288813 sequences.