id:A101601 - OEIS Search Results

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G.f.: c(3x)^3, c(x) the g.f. of A000108.

+0
3

1, 9, 81, 756, 7290, 72171, 729729, 7505784, 78298974, 826489170, 8811646074, 94753804536, 1026499549140, 11192793160815, 122744496427425, 1352917116177840, 14979996753469110, 166542316847391870 (list; graph; listen)

	OFFSET	`0,2`
	FORMULA	`G.f.: 8/(1+sqrt(1-12x))^3; a(n)=((3n+3)/(n+3))3^n*C(n+1).`
	CROSSREFS	`Cf. A050159, A101600, A101602.` `Sequence in context: A061587 A033145 A158762 this_sequence A144821 A137062 A001514` `Adjacent sequences: A101598 A101599 A101600 this_sequence A101602 A101603 A101604`
	KEYWORD	`easy,nonn`
	AUTHOR	`Paul Barry (pbarry(AT)wit.ie), Dec 08 2004`

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.

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