A098611 - OEIS

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A098611

10^n-(-1)^n.

0, 11, 99, 1001, 9999, 100001, 999999, 10000001, 99999999, 1000000001, 9999999999, 100000000001, 999999999999, 10000000000001, 99999999999999, 1000000000000001, 9999999999999999, 100000000000000001 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,2`
	FORMULA	`a(n) =A098610(n)-2*(-1)^n =A098609(n)/A098610(n).`
	CROSSREFS	`Sequence in context: A190870 A037510 A037693 * A090337 A066329 A001738` `Adjacent sequences: A098608 A098609 A098610 * A098612 A098613 A098614`
	KEYWORD	`easy,nonn`
	AUTHOR	`Henry Bottomley (se16(AT)btinternet.com), Sep 17 2004`

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Last modified February 15 23:34 EST 2012. Contains 205860 sequences.