A032490 - OEIS

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A032490

Numbers n such that 227*2^n+1 is prime.

11, 15, 35, 51, 83, 87, 99, 183, 4619, 4659, 6939, 7503, 10647, 13007, 18459, 19599, 26363, 43719, 53171 (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` `Ray Ballinger, Proth Search Page`
	CROSSREFS	`Sequence in context: A030099 A085597 A097512 * A068483 A115779 A147339` `Adjacent sequences: A032487 A032488 A032489 * A032491 A032492 A032493`
	KEYWORD	`nonn,hard`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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Last modified February 15 14:37 EST 2012. Contains 205822 sequences.