A007130 - OEIS

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A007130 - OEIS

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A007130

Number of unlabeled rooted strength 3 Eulerian graphs with n nodes.
(Formerly M4242)

1, 1, 6, 41, 816, 54121, 14274660, 14153665099, 51048862475458, 667165739670566962, 31770009199858957846460, 5550661350485312810140308676, 3581414124954098378653083208146076 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,3`
	REFERENCES	`R. W. Robinson, personal communication.` `R. W. Robinson, Numerical implementation of graph counting algorithms, AGRC Grant, Math. Dept., Univ. Newcastle, Australia, 1979.` `N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).`
	LINKS	`R. W. Robinson, Table of n, a(n) for n = 1..22`
	CROSSREFS	`Sequence in context: A167588 A323573 A230134 * A075000 A112960 A181041` `Adjacent sequences: A007127 A007128 A007129 * A007131 A007132 A007133`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane.`
	STATUS	`approved`

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Last modified May 18 08:45 EDT 2024. Contains 372618 sequences. (Running on oeis4.)