A053366 - OEIS

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A053366

Numbers n such that 299*2^n+1 is prime.

1, 3, 7, 9, 45, 57, 73, 79, 81, 91, 141, 177, 193, 241, 267, 493, 777, 921, 1167, 1179, 1191, 1689, 2389, 4635, 5377, 9487, 13573, 15781, 26017, 31977, 40455, 59487, 64417, 70441, 85263 (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: A075982 A100839 A013624 * A128052 A033681 A074339` `Adjacent sequences: A053363 A053364 A053365 * A053367 A053368 A053369`
	KEYWORD	`hard,nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), Dec 29 1999`

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Last modified February 17 07:30 EST 2012. Contains 205998 sequences.