id:A093141 - OEIS Search Results

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Expansion of (1-6x)/(1-10x).

+0
2

1, 4, 40, 400, 4000, 40000, 400000, 4000000, 40000000, 400000000, 4000000000, 40000000000, 400000000000, 4000000000000, 40000000000000, 400000000000000, 4000000000000000, 40000000000000000, 400000000000000000 (list; graph; listen)

	OFFSET	`0,2`
	COMMENT	`Partial sums are A093140. A convex combination of 10^n and 0^n.`
	FORMULA	`a(n)=410^n/10 + 60^n/10` `a(n)=phi(10^n); - Paul Barry (pbarry(AT)wit.ie), Jul 02 2007`
	CROSSREFS	`Sequence in context: A121126 A069721 A122652 this_sequence A114468 A002705 A034385` `Adjacent sequences: A093138 A093139 A093140 this_sequence A093142 A093143 A093144`
	KEYWORD	`easy,nonn`
	AUTHOR	`Paul Barry (pbarry(AT)wit.ie), Mar 24 2004`

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.

AT&T Labs Research