id:A081045 - OEIS Search Results

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10th binomial transform of (1,9,0,0,0,0,0,.....).

+0
2

1, 19, 280, 3700, 46000, 550000, 6400000, 73000000, 820000000, 9100000000, 100000000000, 1090000000000, 11800000000000, 127000000000000, 1360000000000000, 14500000000000000, 154000000000000000 (list; graph; listen)

	OFFSET	`0,2`
	COMMENT	`a(n)=10^(n-1)*A017173(n)`
	FORMULA	`a(n)=20a(n-1)-100a(n-2), a(0)=1, a(n)=19. a(n)=(9n+10)10^(n-1) a(n)= Sum {k=0..n, (k+1)*9^k Binomial(n, k)}. G.f. (1-x)/(1-10x)^2`
	CROSSREFS	`Cf. A081044, A081043.` `Sequence in context: A016248 A016187 A016184 this_sequence A155017 A152591 A051562` `Adjacent sequences: A081042 A081043 A081044 this_sequence A081046 A081047 A081048`
	KEYWORD	`easy,nonn`
	AUTHOR	`Paul Barry (pbarry(AT)wit.ie), Mar 04 2003`

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Last modified December 20 00:58 EST 2009. Contains 171054 sequences.

AT&T Labs Research