id:A095349 - OEIS Search Results

Search: id:A095349

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Total number of edges in all trees on n nodes.

+0
1

0, 1, 2, 6, 12, 30, 66, 161, 376, 954, 2350, 6061, 15612, 41067, 108374, 289800, 778064, 2105739, 5723190, 15638235, 42890100, 118098876, 326217628, 903897631, 2511285360, 6994836250, 19527701960, 54632961864, 153147864380 (list; graph; listen)

	OFFSET	`1,3`
	LINKS	`Eric Weisstein's World of Mathematics, Graph Edge`
	FORMULA	`a(n) = (n-1)*A000055(n). - Vladeta Jovovic (vladeta(AT)eunet.rs), Jun 05 2004`
	CROSSREFS	`Cf. A055543.` `Sequence in context: A129912 A161507 A032177 this_sequence A022916 A073949 A080372` `Adjacent sequences: A095346 A095347 A095348 this_sequence A095350 A095351 A095352`
	KEYWORD	`nonn`
	AUTHOR	`Eric Weisstein (eric(AT)weisstein.com), Jun 03, 2004`

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Last modified December 11 12:57 EST 2009. Contains 170656 sequences.

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