id:A050849 - OEIS Search Results

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Numbers n such that 195*2^n-1 is prime.

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1, 3, 4, 6, 8, 9, 10, 14, 23, 26, 28, 35, 44, 46, 50, 55, 60, 63, 65, 78, 99, 100, 106, 111, 163, 178, 180, 364, 569, 825, 838, 958, 1292, 1425, 1531, 2020, 2259, 2434, 2492, 2520, 3310, 3624, 4195, 4206, 5103, 5139, 5478, 7198, 7335, 8123, 9903, 12239 (list; graph; listen)

	OFFSET	`1,2`
	LINKS	`Ray Ballinger and Wilfrid Keller, List of primes k.2^n + 1 for k < 300` `Wilfrid Keller, List of primes k.2^n - 1 for k < 300` `Index entries for sequences of n such that k2^n-1 (or k2^n+1) is prime` `Kosmaj, Riesel list k<300.`
	CROSSREFS	`Adjacent sequences: A050846 A050847 A050848 this_sequence A050850 A050851 A050852` `Sequence in context: A112800 A062969 A025063 this_sequence A039008 A047416 A064724`
	KEYWORD	`hard,nonn`
	AUTHOR	`njas, Dec 29 1999`
	EXTENSIONS	`More terms from Herman Jamke (hermanjamke(AT)fastmail.fm), Jan 02 2008`

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Last modified May 16 23:01 EDT 2008. Contains 139884 sequences.

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