A050593 - OEIS

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A050593

Numbers n such that 135*2^n-1 is prime.

1, 9, 10, 13, 16, 21, 24, 34, 54, 153, 177, 184, 226, 238, 286, 334, 586, 618, 870, 3151, 3397, 4987, 5160, 14737, 15309, 15319 (list; graph; refs; listen; history; internal format)

	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`
	CROSSREFS	`Sequence in context: A178679 A154766 A116594 * A189834 A110095 A169870` `Adjacent sequences: A050590 A050591 A050592 * A050594 A050595 A050596`
	KEYWORD	`hard,nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), Dec 29 1999`

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Last modified February 16 02:51 EST 2012. Contains 205860 sequences.