A050588 - OEIS

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A050588

Numbers n such that 125*2^n-1 is prime.

2, 4, 44, 182, 496, 904, 1196, 3034, 4004, 5474, 18122, 21952, 24874, 27614, 31166, 35386, 44234, 51104, 96346, 100966, 109454, 123634, 388934, 418034, 659314, 918494 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,1`
	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: A116611 A141142 A007596 * A105282 A018325 A099804` `Adjacent sequences: A050585 A050586 A050587 * A050589 A050590 A050591`
	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`

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Last modified February 17 21:13 EST 2012. Contains 206085 sequences.