A014281 - OEIS

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A014281

Number of trees on n nodes with forbidden limbs.

0, 1, 1, 1, 1, 2, 3, 4, 9, 18, 40, 84, 189, 425 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,6`
	REFERENCES	`T. 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: A098969 A145027 A088275 * A086865 A192988 A122534` `Adjacent sequences: A014278 A014279 A014280 * A014282 A014283 A014284`
	KEYWORD	`nonn,more`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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Last modified February 17 12:38 EST 2012. Contains 206021 sequences.