A050868 - OEIS

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A050868

Numbers n such that 233*2^n-1 is prime.

4, 10, 12, 22, 24, 34, 48, 60, 100, 562, 574, 640, 838, 852, 2002, 4198, 4932, 5860, 10492, 13834, 17398, 25944, 133030, 179992 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,1`
	LINKS	`Table of n, a(n) for n=1..24.` `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	`Sequence in context: A065056 A080285 A138628 * A007319 A175436 A074939` `Adjacent sequences: A050865 A050866 A050867 * A050869 A050870 A050871`
	KEYWORD	`hard,nonn`
	AUTHOR	`N. J. A. Sloane, Dec 29 1999`
	EXTENSIONS	`More terms from Herman Jamke (hermanjamke(AT)fastmail.fm), Jan 02 2008`
	STATUS	`approved`

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Last modified May 21 16:16 EDT 2013. Contains 225504 sequences.