A050597 - OEIS

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A050597

Numbers n such that 143*2^n-1 is prime.

2, 4, 6, 8, 12, 18, 26, 32, 34, 36, 42, 60, 78, 82, 84, 88, 154, 174, 208, 256, 366, 448, 478, 746, 1178, 1290, 2284, 3606, 35706, 36920, 45882, 47308, 70932, 96278, 111886, 144736, 303284, 374626 (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: A032458 A079212 A141452 * A057335 A126907 A118563` `Adjacent sequences: A050594 A050595 A050596 * A050598 A050599 A050600`
	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 08:44 EST 2012. Contains 205998 sequences.