A003426 - OEIS

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A003426

Number of stable trees with n nodes.
(Formerly M1142)

1, 1, 1, 1, 2, 4, 8, 17, 37, 85, 196, 469, 1134, 2799, 6975, 17628, 44903, 115497, 299089, 780036, 2045924, 5396078, 14299878, 38067356, 101748748, 272995157, 735004112 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,5`
	REFERENCES	`D. D. Grant, The stability index of graphs, pp. 29-52 of Combinatorial Mathematics (Proceedings 2nd Australian Conf.), Lect. Notes Math. 403, 1974.` `N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).`
	LINKS	`Index entries for sequences related to trees`
	CROSSREFS	`Sequence in context: A004148 A203019 A085022 * A179476 A087803 A036374` `Adjacent sequences: A003423 A003424 A003425 * A003427 A003428 A003429`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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Last modified February 15 21:56 EST 2012. Contains 205860 sequences.