id:A050898 - OEIS Search Results

Search: id:A050898

Displaying 1-1 of 1 results found.

page 1

Numbers n such that 279*2^n-1 is prime.

+0
1

1, 4, 12, 29, 35, 56, 77, 93, 209, 221, 412, 441, 460, 899, 1859, 1896, 2504, 5315, 6520, 9324, 9460, 11336, 11760, 12317, 21080, 25029, 27064, 29236, 35396, 42791, 55851, 57752, 61551, 73272, 117820, 123253, 162705, 201152, 277455, 318317, 455704 (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: A002932 A121312 A091521 this_sequence A009845 A014342 A086274` `Adjacent sequences: A050895 A050896 A050897 this_sequence A050899 A050900 A050901`
	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 13 23:45 EST 2009. Contains 170824 sequences.

AT&T Labs Research