id:A124167 - OEIS Search Results

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10*(10^n-1).

+0
1

0, 90, 990, 9990, 99990, 999990, 9999990, 99999990, 999999990, 9999999990, 99999999990, 999999999990, 9999999999990, 99999999999990, 999999999999990, 9999999999999990, 99999999999999990, 999999999999999990 (list; graph; listen)

	OFFSET	`0,2`
	COMMENT	`Equals 10A002283. Partial sums give 10A099676.`
	MAPLE	`a:=n->sum (10^(n-j+2)-10^(n-j+1), j=0..n): seq(a(n), n=0..28);`
	CROSSREFS	`Sequence in context: A051695 A097372 A101243 this_sequence A048548 A013427 A013425` `Adjacent sequences: A124164 A124165 A124166 this_sequence A124168 A124169 A124170`
	KEYWORD	`easy,nonn`
	AUTHOR	`Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Dec 02 2006`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

AT&T Labs Research