id:A050831 - OEIS Search Results

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Numbers n such that 159*2^n-1 is prime.

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1, 4, 5, 11, 24, 25, 41, 67, 185, 215, 235, 277, 445, 465, 647, 844, 1420, 1505, 2385, 6451, 7475, 9549, 10800, 11585, 16079, 47795, 51839, 89285, 106481, 186331, 201429, 293235, 338477, 442189, 482581, 611020 (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	`Adjacent sequences: A050828 A050829 A050830 this_sequence A050832 A050833 A050834` `Sequence in context: A000286 A036539 A000769 this_sequence A056799 A109503 A067371`
	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 November 9 12:23 EST 2009. Contains 166233 sequences.

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