A051175 - OEIS

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A051175

Number of trees with n nodes having certain property involving Wiener index.

0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, 7, 8, 22, 25, 66 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,13`
	REFERENCES	`A. A. Dobrynin (dobr(AT)math.nsc.ru), Distance of iterated line graphs, Graph Theory Notes of NY, 37 (1999), 8-9.`
	LINKS	`Index entries for sequences related to trees`
	CROSSREFS	`Sequence in context: A181585 A060291 A132899 * A058537 A002362 A042417` `Adjacent sequences: A051172 A051173 A051174 * A051176 A051177 A051178`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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Last modified February 16 08:13 EST 2012. Contains 205893 sequences.