id:A119681 - OEIS Search Results

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A119681

Odd numbers n such that 2n-1 is prime.

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3, 7, 9, 15, 19, 21, 27, 31, 37, 45, 49, 51, 55, 57, 69, 75, 79, 87, 91, 97, 99, 115, 117, 121, 129, 135, 139, 141, 147, 157, 159, 169, 175, 177, 187, 195, 199, 201, 205, 211, 217, 225, 229, 231, 255, 261, 271, 279, 285, 289, 297, 301, 307, 309, 321, 327, 331 (list; graph; listen)

	OFFSET	`1,1`
	CROSSREFS	`Sequence in context: A032424 A026175 A026139 this_sequence A104177 A099204 A070993` `Adjacent sequences: A119678 A119679 A119680 this_sequence A119682 A119683 A119684`
	KEYWORD	`nonn`
	AUTHOR	`Roger L. Bagula (rlbagulatftn(AT)yahoo.com), Jun 12 2006`
	EXTENSIONS	`Edited by N. J. A. Sloane (njas(AT)research.att.com), Sep 07 2006`

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

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