A053365 - OEIS

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A053365

Numbers n such that 297*2^n+1 is prime.

3, 6, 14, 15, 20, 27, 38, 123, 276, 327, 380, 411, 546, 819, 1155, 1274, 1800, 1875, 3135, 3411, 7514, 9446, 12615, 23400, 23564, 99344, 108258 (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`
	CROSSREFS	`Sequence in context: A036781 A084816 A055738 * A101034 A084168 A075390` `Adjacent sequences: A053362 A053363 A053364 * A053366 A053367 A053368`
	KEYWORD	`hard,nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), Dec 29 1999`

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Last modified February 15 16:56 EST 2012. Contains 205825 sequences.