A032471 - OEIS

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A032471

Numbers n such that 189*2^n+1 is prime.

1, 2, 6, 9, 17, 39, 45, 95, 359, 526, 609, 783, 818, 917, 1445, 1590, 1606, 1861, 2037, 3538, 3730, 6186, 7482, 11801, 12162, 23838, 25785, 27565, 30666, 37033, 37518, 52082, 74127, 90061 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,2`
	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: A043548 A054974 A072481 * A156222 A002886 A028724` `Adjacent sequences: A032468 A032469 A032470 * A032472 A032473 A032474`
	KEYWORD	`nonn,hard`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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Last modified February 14 00:47 EST 2012. Contains 205567 sequences.