A092262 - OEIS

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A092262

Numbers n such that 2^n-th prime - 2^(n-1)-th prime + 1 is prime.

2, 5, 13, 79, 181, 409, 2053, 21011, 96487 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,1`
	EXAMPLE	`prime(2^12)-prime(2^11) + 1 = 21011 = prime.`
	PROG	`f(n)= for(x=1, n, y=prime(2^x)-prime(2^(x-1))+1; if(isprime(y), print1(y", ")))`
	CROSSREFS	`Sequence in context: A013497 A128029 A081650 * A032015 A075736 A030426` `Adjacent sequences: A092259 A092260 A092261 * A092263 A092264 A092265`
	KEYWORD	`hard,nonn`
	AUTHOR	`Cino Hilliard (hillcino368(AT)gmail.com), Feb 20 2004`

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Last modified February 15 05:45 EST 2012. Contains 205694 sequences.