A037247 - OEIS

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A037247

Reversion of g.f. (beginning with x term) for number of trees with n nodes.

1, -1, 1, -2, 5, -13, 35, -98, 282, -832, 2505, -7662, 23715, -74104, 233429, -740511, 2363816, -7587409, 24473880, -79289278, 257890856, -841789791, 2756618710, -9053837032, 29817032534, -98441372386, 325753459625, -1080250590778 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,4`
	LINKS	`Index entries for reversions of series` `Index entries for sequences related to trees`
	CROSSREFS	`Cf. A000055, A007315.` `Sequence in context: A086581 A059027 A025198 * A126221 A107086 A089846` `Adjacent sequences: A037244 A037245 A037246 * A037248 A037249 A037250`
	KEYWORD	`sign`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`
	EXTENSIONS	`Signs corrected Dec 24 2001`

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Last modified February 17 06:27 EST 2012. Contains 205998 sequences.