A014171 - OEIS

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A014171

Apply partial sum operator 4 times to binary rooted tree numbers.

1, 5, 16, 41, 92, 190, 372, 703, 1298, 2361, 4255, 7628, 13638, 24357, 43496, 77704, 138899, 248450, 444678, 796314, 1426644, 2556825, 4583600, 8218728, 14739136, 26435727, 47418602, 85061737, 152594941 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,2`
	LINKS	`Index entries for sequences related to rooted trees`
	FORMULA	`G.f.: (B(x)-x)/x(1-x)^4 where B(x) is g.f. of A002572.`
	CROSSREFS	`Cf. A002572.` `Sequence in context: A078449 A014161 A014166 * A014175 A097810 A187004` `Adjacent sequences: A014168 A014169 A014170 * A014172 A014173 A014174`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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Last modified February 16 10:53 EST 2012. Contains 205904 sequences.