id:A109002 - OEIS Search Results

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Maximal difference between two n digit numbers: a(1) =9-0 =9; a(n) = (10^n -1) - 10^(n-1), n >1.

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9, 89, 899, 8999, 89999, 899999, 8999999, 89999999, 899999999, 8999999999, 89999999999, 899999999999, 8999999999999, 89999999999999, 899999999999999 (list; graph; listen)

	OFFSET	`1,1`
	EXAMPLE	`a(4) = 9999-1000 = 8999.`
	CROSSREFS	`Sequence in context: A072256 A138288 A059482 this_sequence A082147 A095722 A069573` `Adjacent sequences: A108999 A109000 A109001 this_sequence A109003 A109004 A109005`
	KEYWORD	`base,easy,nonn`
	AUTHOR	`Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Aug 14 2005`

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Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.

AT&T Labs Research