A050525 - OEIS

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A050525

Primes of form 11*2^n-1.

43, 738197503, 12384898975268863, 198158383604301823, 935776509032580774524280170437362581503, 239558786312340678278215723631964820865023, 1243860333603982568026641440523014635142548663400435746517610765710004322303 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,1`
	LINKS	`Index entries for sequences of n such that k2^n-1 (or k2^n+1) is prime`
	MATHEMATICA	`Select[11 2^Range[0, 250]-1, PrimeQ] (* From Harvey P. Dale, Mar 30 2011 *)`
	CROSSREFS	`See A001772 for more terms.` `Sequence in context: A177417 A116139 A087529 * A138086 A023933 A022075` `Adjacent sequences: A050522 A050523 A050524 * A050526 A050527 A050528`
	KEYWORD	`nonn,nice`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), Dec 29 1999`

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Last modified February 17 00:09 EST 2012. Contains 205978 sequences.