id:A153848 - OEIS Search Results

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Repeat 21.

+0
1

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

	OFFSET	`1,1`
	FORMULA	`a(n) = (10^(2n)-1)21/99.`
	PROGRAM	`(PARI) g2(n) = (10^(2n)-1)1*21/99 for(x=1, 25, print1(g2(x), ", "))`
	CROSSREFS	`Sequence in context: A081786 A130039 A163928 this_sequence A007593 A119099 A033510` `Adjacent sequences: A153845 A153846 A153847 this_sequence A153849 A153850 A153851`
	KEYWORD	`nonn`
	AUTHOR	`Cino Hilliard (hillcino368(AT)hotmail.com), Jan 02 2009`

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Last modified December 17 23:40 EST 2009. Contains 171025 sequences.

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