id:A095350 - OEIS Search Results

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Total number of edges in all rooted trees on n nodes.

+0
1

0, 1, 4, 12, 36, 100, 288, 805, 2288, 6471, 18420, 52426, 149832, 428649, 1229354, 3530715, 10157552, 29259703, 84396168, 243698332, 704436640, 2038158801, 5902222810, 17105674632, 49612191480, 143990912750, 418177092554 (list; graph; listen)

	OFFSET	`1,3`
	LINKS	`Eric Weisstein's World of Mathematics, Graph Edge`
	FORMULA	`a(n) = (n-1)*A000081(n). - Vladeta Jovovic (vladeta(AT)eunet.rs), Jun 05 2004`
	CROSSREFS	`Cf. A055544.` `Sequence in context: A051041 A002906 A001411 this_sequence A084776 A003212 A156945` `Adjacent sequences: A095347 A095348 A095349 this_sequence A095351 A095352 A095353`
	KEYWORD	`nonn`
	AUTHOR	`Eric Weisstein (eric(AT)weisstein.com), Jun 03, 2004`
	EXTENSIONS	`More terms from Vladeta Jovovic (vladeta(AT)eunet.rs), Jun 05 2004`

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Last modified November 23 17:09 EST 2009. Contains 167438 sequences.

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