id:A034824 - OEIS Search Results

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Number of n-node rooted trees of height at most 7.

+0
4

1, 1, 1, 2, 4, 9, 20, 48, 115, 285, 710, 1789, 4514, 11431, 28922, 73182, 184917, 466755, 1176393, 2961205, 7443770, 18689435, 46869152, 117412440, 293832126, 734645046, 1835147741, 4580420719, 11423511895, 28469058647, 70899220083 (list; graph; listen)

	OFFSET	`0,4`
	LINKS	`N. J. A. Sloane, Table of n, a(n) for n=0..200` `N. J. A. Sloane, Transforms` `Index entries for sequences related to rooted trees`
	FORMULA	`Take Euler transform of A034823 and shift right. (Christian G. Bower (bowerc(AT)usa.net)).`
	MAPLE	`For Maple program see link in A000235.`
	CROSSREFS	`See A001383 for details.` `Sequence in context: A003019 A036626 A036722 this_sequence A034825 A034826 A123467` `Adjacent sequences: A034821 A034822 A034823 this_sequence A034825 A034826 A034827`
	KEYWORD	`nonn`
	AUTHOR	`njas`

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Last modified July 26 23:19 EDT 2008. Contains 142293 sequences.

AT&T Labs Research