id:A081044 - OEIS Search Results

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9th binomial transform of (1,8,0,0,0,0,0,0,.....).

+0
3

1, 17, 225, 2673, 29889, 321489, 3365793, 34543665, 349156737, 3486784401, 34480423521, 338218086897, 3295011258945, 31914537622353, 307565765227809, 2951106226689969, 28207085096966913, 268687927383516945 (list; graph; listen)

	OFFSET	`0,2`
	FORMULA	`a(n)=18a(n-1)-81a(n-2), a(0)=0, a(1)=17. a(n)=(8n+9)9^(n-1) a(n)= Sum {k=0..n, (k+1)*8^k Binomial(n, k)}. G.f. (1-x)/(1-9x)^2`
	CROSSREFS	`Cf. A081043, A081045.` `Adjacent sequences: A081041 A081042 A081043 this_sequence A081045 A081046 A081047` `Sequence in context: A063043 A016174 A016281 this_sequence A016227 A012095 A140842`
	KEYWORD	`easy,nonn`
	AUTHOR	`Paul Barry (pbarry(AT)wit.ie), Mar 04 2003`

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Last modified October 11 09:12 EDT 2008. Contains 144832 sequences.

AT&T Labs Research