id:A055540 - OEIS Search Results

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Total number of leaves (nodes of vertex degree 1) in all graphs of n nodes.

+0
3

0, 2, 4, 14, 38, 153, 766, 6259, 88064 (list; graph; listen)

	OFFSET	`1,2`
	LINKS	`Eric Weisstein's World of Mathematics, Tree Leaf`
	CROSSREFS	`Cf. A003227, A003228, A055541.` `Sequence in context: A007462 A053623 A035010 this_sequence A006252 A079995 A000912` `Adjacent sequences: A055537 A055538 A055539 this_sequence A055541 A055542 A055543`
	KEYWORD	`nonn,more`
	AUTHOR	`Eric Weisstein (eric(AT)weisstein.com)`
	EXTENSIONS	`a(8) and a(9) from Eric Weisstein (eric(AT)weisstein.com), Jun 02 2004`

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Last modified July 26 13:41 EDT 2008. Contains 142293 sequences.