id:A112756 - OEIS Search Results

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Greatest prime factor of n-th number of the form 3^i*5^j.

+0
4

1, 3, 5, 3, 5, 5, 3, 5, 5, 3, 5, 5, 5, 3, 5, 5, 5, 5, 3, 5, 5, 5, 5, 3, 5, 5, 5, 5, 5, 3, 5, 5, 5, 5, 5, 5, 3, 5, 5, 5, 5, 5, 5, 3, 5, 5, 5, 5, 5, 5, 5, 3, 5, 5, 5, 5, 5, 5, 5, 5, 3, 5, 5, 5, 5, 5, 5, 5, 5, 3, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 5, 5, 5 (list; graph; listen)

	OFFSET	`1,2`
	COMMENT	`a(n) = A006530(A003593(n));` `A112755(n) <= a(n) <= 5.`
	CROSSREFS	`Cf. A112764, A086411.` `Adjacent sequences: A112753 A112754 A112755 this_sequence A112757 A112758 A112759` `Sequence in context: A105439 A142972 A020765 this_sequence A121795 A134429 A100667`
	KEYWORD	`nonn`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Sep 18 2005`

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Last modified October 9 14:06 EDT 2008. Contains 144831 sequences.

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