id:A023582 - OEIS Search Results

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Number of distinct prime divisors of 2*prime(n)-1.

+0
1

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

	OFFSET	`1,5`
	CROSSREFS	`Sequence in context: A133099 A006571 A094781 this_sequence A023518 A022921 A080763` `Adjacent sequences: A023579 A023580 A023581 this_sequence A023583 A023584 A023585`
	KEYWORD	`nonn`
	AUTHOR	`Clark Kimberling (ck6(AT)evansville.edu)`

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Last modified November 27 14:50 EST 2009. Contains 167570 sequences.

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