A124167 - OEIS

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A124167

10*(10^n-1).

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

	OFFSET	`0,2`
	COMMENTS	`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: A101243 A173483 A202960 * A048548 A013427 A013425` `Adjacent sequences: A124164 A124165 A124166 * A124168 A124169 A124170`
	KEYWORD	`easy,nonn`
	AUTHOR	`Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Dec 02 2006`

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Last modified February 15 05:45 EST 2012. Contains 205694 sequences.