A153848 - OEIS

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A153848

Repeat 21.

21, 2121, 212121, 21212121, 2121212121, 212121212121, 21212121212121, 2121212121212121, 212121212121212121, 21212121212121212121, 2121212121212121212121, 212121212121212121212121 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,1`
	FORMULA	`a(n) = (10^(2n)-1)21/99.`
	PROG	`(PARI) g2(n) = (10^(2n)-1)1*21/99 for(x=1, 25, print1(g2(x), ", "))`
	CROSSREFS	`Sequence in context: A155740 A203327 A163928 * A007593 A119099 A033510` `Adjacent sequences: A153845 A153846 A153847 * A153849 A153850 A153851`
	KEYWORD	`nonn`
	AUTHOR	`Cino Hilliard (hillcino368(AT)hotmail.com), Jan 02 2009`

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Last modified February 16 20:47 EST 2012. Contains 205965 sequences.