A032473 - OEIS

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A032473

Numbers n such that 193*2^n+1 is prime.

2, 4, 8, 12, 24, 28, 30, 70, 82, 100, 124, 134, 434, 478, 540, 708, 952, 1052, 1070, 1528, 1804, 2568, 2914, 3712, 16582, 17342, 23368, 23942, 35998, 72174 (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: A081410 A027677 A103787 * A084422 A175841 A171647` `Adjacent sequences: A032470 A032471 A032472 * A032474 A032475 A032476`
	KEYWORD	`nonn,hard`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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Last modified February 17 04:58 EST 2012. Contains 205985 sequences.