id:A050901 - OEIS Search Results

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Numbers n such that 285*2^n-1 is prime.

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1, 7, 8, 12, 19, 23, 41, 44, 47, 62, 63, 79, 197, 293, 472, 788, 956, 1083, 1232, 1533, 1539, 1673, 2399, 2827, 2993, 3327, 3816, 4072, 4152, 4156, 4392, 4436, 4492, 5079, 5112, 5747, 7193, 7604, 7934, 8640, 9699, 10361, 10870, 12374, 16197, 18120, 29199 (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: A106630 A050798 A057484 this_sequence A105832 A059177 A065729` `Adjacent sequences: A050898 A050899 A050900 this_sequence A050902 A050903 A050904`
	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 10 12:37 EST 2009. Contains 170569 sequences.

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