A052471 - OEIS

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A052471

Number of noncaterpillar trees on n nodes (A000055-A005418).

0, 0, 0, 0, 0, 0, 1, 3, 11, 34, 99, 279, 773, 2103, 5661, 15160, 40373, 107355, 285059, 757273, 2013177, 5361100, 14303274, 38250297, 102538714, 275597098, 742674804, 2006661720, 5436008057, 14763754746, 40196603110, 109703958381 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,8`
	LINKS	`Eric Weisstein's World of Mathematics, CaterpillarTree`
	CROSSREFS	`Cf. A000055, A005418.` `Sequence in context: A004662 A036542 A084266 * A037496 A180762 A134326` `Adjacent sequences: A052468 A052469 A052470 * A052472 A052473 A052474`
	KEYWORD	`nonn`
	AUTHOR	`Eric Weisstein (eric(AT)weisstein.com)`
	EXTENSIONS	`a(14) and up from Eric Weisstein (eric(AT)weisstein.com), Jul 17 2004.`

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Last modified February 15 14:37 EST 2012. Contains 205822 sequences.