A050594 - OEIS

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A050594

Numbers n such that 137*2^n-1 is prime.

2, 18, 38, 62, 2180, 2900, 3132, 3462, 3578, 5724, 5810, 18468, 30044, 36122, 37610, 43782, 310790, 1849238 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,1`
	LINKS	`Table of n, a(n) for n=1..18.` `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: A085876 A099904 A137308 * A098857 A189333 A072278` `Adjacent sequences: A050591 A050592 A050593 * A050595 A050596 A050597`
	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 June 20 05:42 EDT 2013. Contains 226419 sequences.