A049365 - OEIS

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A049365

Number of connected planar graphs with n nodes and even degrees (i.e. that are Eulerian).

1, 0, 1, 1, 3, 7, 21, 81, 401, 2499, 18604 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,5`
	CROSSREFS	`Sequence in context: A075211 A075212 A173794 * A031885 A169981 A191294` `Adjacent sequences: A049362 A049363 A049364 * A049366 A049367 A049368`
	KEYWORD	`nonn,nice,hard`
	AUTHOR	`Brendan McKay (bdm(AT)cs.anu.edu.au)`

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Last modified February 15 15:17 EST 2012. Contains 205823 sequences.