id:A050858 - OEIS Search Results

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Numbers n such that 213*2^n-1 is prime.

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4, 10, 19, 30, 36, 47, 80, 82, 92, 100, 103, 114, 126, 140, 144, 152, 170, 210, 264, 514, 726, 967, 1662, 2423, 3116, 3974, 4396, 5735, 6680, 6707, 9947, 23814, 24330, 43074, 43775, 77922, 98179, 120362, 171154, 303670, 709727, 760942 (list; graph; listen)

	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: A162958 A029714 A062198 this_sequence A022785 A057312 A008038` `Adjacent sequences: A050855 A050856 A050857 this_sequence A050859 A050860 A050861`
	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 December 1 19:22 EST 2009. Contains 167811 sequences.

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