id:A001851 - OEIS Search Results

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Total diameter of unlabeled trees with n nodes.
(Formerly M1363 N0527)

+0
1

0, 1, 2, 5, 9, 21, 44, 103, 232, 571, 1368, 3441 (list; graph; listen)

	OFFSET	`1,3`
	REFERENCES	`J. Riordan, Enumeration of trees by height and diameter, IBM J. Res. Dev. 4 (1960), 473-478.`
	LINKS	`Index entries for sequences related to trees`
	CROSSREFS	`Sequence in context: A105309 A097163 A117186 this_sequence A024822 A029726 A052962` `Adjacent sequences: A001848 A001849 A001850 this_sequence A001852 A001853 A001854`
	KEYWORD	`nonn,more`
	AUTHOR	`njas`

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Last modified July 23 17:35 EDT 2008. Contains 142285 sequences.