id:A074259 - OEIS Search Results

Search: id:A074259

Displaying 1-1 of 1 results found.

page 1

Gaps between primes p such that 2p+1 is also prime.

+0
1

1, 2, 6, 12, 6, 12, 12, 30, 6, 24, 18, 42, 6, 12, 42, 6, 12, 30, 12, 66, 60, 12, 12, 48, 18, 84, 48, 12, 6, 24, 36, 24, 18, 48, 102, 42 (list; graph; listen)

	OFFSET	`0,2`
	PROGRAM	`(PARI) lsgp=0; forprime (p=2, 1000, if (isprime(2*p+1), write("primegap.txt", p-lsgp); lsgp=p))`
	CROSSREFS	`First differences of A005384.` `Sequence in context: A054579 A165822 A014965 this_sequence A113540 A111658 A105692` `Adjacent sequences: A074256 A074257 A074258 this_sequence A074260 A074261 A074262`
	KEYWORD	`nonn`
	AUTHOR	`Jon Perry (perry(AT)globalnet.co.uk), Sep 20 2002`

page 1

Search completed in 0.002 seconds

Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

AT&T Labs Research