id:A051819 - OEIS Search Results

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Number of n-digit numbers with nonzero multiplicative digital root 8.

+0
2

1, 23, 228, 2536, 29135, 320182, 3348887, 33918043, 337681353, 3346457531, 33328331754, 335156871449, 3402031164396, 34729171765901, 354926411492071, 3618033042193311 (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)=8 }`
	CROSSREFS	`Cf. A051802, A051810, A051828.` `Sequence in context: A091628 A126544 A142490 this_sequence A124336 A010829 A022715` `Adjacent sequences: A051816 A051817 A051818 this_sequence A051820 A051821 A051822`
	KEYWORD	`nonn,base,hard`
	AUTHOR	`Dan Hoey (Hoey(AT)AIC.NRL.Navy.Mil), Dec 09 1999`

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Last modified September 6 16:04 EDT 2008. Contains 143483 sequences.

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