A014277 - OEIS

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A014277

Number of trees on n nodes with forbidden limbs.

0, 1, 2, 6, 25, 114, 591, 3297, 19528, 120670, 7712276, 5061164, 33940023 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,3`
	REFERENCES	`Taojun Lu, The enumeration of trees with and without given limbs, Discr. Math., 154 (1996), 153-165.`
	LINKS	`Index entries for sequences related to trees`
	CROSSREFS	`Sequence in context: A074418 A003454 A199241 * A006965 A202705 A058801` `Adjacent sequences: A014274 A014275 A014276 * A014278 A014279 A014280`
	KEYWORD	`nonn,more`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`
	EXTENSIONS	`Ralf Stephan points out that a(10) appears to be wrong, Feb 02, 2004.`

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Last modified February 17 13:28 EST 2012. Contains 206031 sequences.