id:A002276 - OEIS Search Results

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2(10^n - 1)/9.

+0
9

0, 2, 22, 222, 2222, 22222, 222222, 2222222, 22222222, 222222222, 2222222222, 22222222222, 222222222222, 2222222222222, 22222222222222, 222222222222222, 2222222222222222, 22222222222222222 (list; graph; listen)

	OFFSET	`0,2`
	FORMULA	`a(n)=10*a(n-1)+2, with a(0)=0 [From Paolo P. Lava (ppl(AT)spl.at), Jan 23 2009]`
	CROSSREFS	`Sequence in context: A058441 A037567 A137109 this_sequence A112893 A086855 A089182` `Adjacent sequences: A002273 A002274 A002275 this_sequence A002277 A002278 A002279`
	KEYWORD	`easy,nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.

AT&T Labs Research