id:A050845 - OEIS Search Results

Search: id:A050845

Displaying 1-1 of 1 results found.

page 1

Numbers n such that 187*2^n-1 is prime.

+0
1

1, 17, 21, 53, 253, 2173, 3313, 5197, 5333, 6929, 28017, 40429, 47877, 80617, 110513, 139673, 141201, 263093, 379649, 483153 (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	`Sequence in context: A128546 A060875 A138600 this_sequence A125613 A147052 A147132` `Adjacent sequences: A050842 A050843 A050844 this_sequence A050846 A050847 A050848`
	KEYWORD	`hard,nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), Dec 29 1999`
	EXTENSIONS	`More terms from Herman Jamke (hermanjamke(AT)fastmail.fm), Jan 02 2008`

page 1

Search completed in 0.002 seconds

Last modified December 4 23:11 EST 2009. Contains 170347 sequences.