id:A105079 - OEIS Search Results

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Number of distinct prime divisors of 1000^n - 3 where n = 1,2,3,....

+0
1

1, 2, 3, 2, 4, 4, 2, 2, 4, 3, 3, 4, 5, 5, 4 (list; graph; listen)

	OFFSET	`0,2`
	EXAMPLE	`If n=1, then 1000^n - 3 = 1000^1 - 3 = 997 which is a prime, so the first term is 1.`
	CROSSREFS	`Cf. A105069, A105068.` `Adjacent sequences: A105076 A105077 A105078 this_sequence A105080 A105081 A105082` `Sequence in context: A130526 A134834 A035583 this_sequence A087437 A081315 A035662`
	KEYWORD	`nonn`
	AUTHOR	`Parthasarathy Nambi (PachaNambi(AT)yahoo.com), Apr 06 2005`

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Last modified October 6 16:13 EDT 2008. Contains 144667 sequences.