id:A051826 - OEIS Search Results

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Number of numbers below 10^n with nonzero multiplicative digital root 6.

+0
2

1, 15, 213, 2337, 23231, 231651, 2349105, 23926057, 242539688, 2437578213, 24286001675, 240505616138, 2376317894981, 23497985025226, 232875555403623, 2312981893109766 (list; graph; listen)

	OFFSET	`1,2`
	REFERENCES	`William Mayne, sci.math, Jun 15 1991`
	FORMULA	`# { i : 10^(n-1) < i < 10^n and A051802(i)=6 }`
	CROSSREFS	`Cf. A051802, A051808, A051817.` `Sequence in context: A001880 A113362 A135519 this_sequence A081196 A020287 A152272` `Adjacent sequences: A051823 A051824 A051825 this_sequence A051827 A051828 A051829`
	KEYWORD	`nonn,base,hard`
	AUTHOR	`Dan Hoey (Hoey(AT)AIC.NRL.Navy.Mil), Dec 09 1999`

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Last modified November 23 17:09 EST 2009. Contains 167438 sequences.

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