A098610 - OEIS

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A098610

10^n+(-1)^n.

2, 9, 101, 999, 10001, 99999, 1000001, 9999999, 100000001, 999999999, 10000000001, 99999999999, 1000000000001, 9999999999999, 100000000000001, 999999999999999, 10000000000000001, 99999999999999999 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,1`
	FORMULA	`a(n) =A098611(n)+2(-1)^n =A098609(n)/A098611(n) =A098609(n)/(11A015585(n)) =9*A094028(n+1)/A015585(n)`
	CROSSREFS	`Sequence in context: A187647 A013520 A041239 * A125815 A132494 A136172` `Adjacent sequences: A098607 A098608 A098609 * A098611 A098612 A098613`
	KEYWORD	`easy,nonn`
	AUTHOR	`Henry Bottomley (se16(AT)btinternet.com), Sep 17 2004`

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Last modified February 15 02:50 EST 2012. Contains 205694 sequences.