A032457 - OEIS

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A032457

Numbers n such that 161*2^n+1 is prime.

3, 5, 11, 13, 51, 53, 63, 71, 103, 179, 205, 267, 351, 589, 719, 1453, 3703, 7935, 10851, 15151, 16013, 20319, 65475, 66083 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,1`
	LINKS	`Ray Ballinger, Proth Search Page` `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: A089251 A147568 A006794 * A122564 A162876 A162875` `Adjacent sequences: A032454 A032455 A032456 * A032458 A032459 A032460`
	KEYWORD	`nonn,hard`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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Last modified February 17 10:05 EST 2012. Contains 206009 sequences.