id:A059790 - OEIS Search Results

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Distance between 2*(nth prime) and nearest prime.

+0
3

1, 1, 1, 1, 1, 3, 3, 1, 1, 1, 1, 1, 1, 3, 3, 1, 5, 5, 3, 3, 3, 1, 1, 1, 1, 3, 5, 3, 5, 1, 3, 1, 3, 1, 5, 5, 1, 5, 3, 1, 1, 3, 1, 3, 3, 1, 1, 3, 3, 1, 1, 1, 3, 1, 5, 3, 3, 1, 3, 1, 3, 1, 1, 3, 5, 3, 1, 1, 3, 3, 3, 1, 1, 3, 1, 3, 5, 3, 5, 3, 1, 3, 1, 3, 1, 1, 9, 3, 3, 3, 3, 5, 3, 1, 1, 3, 1, 3, 3, 5, 1, 3, 3, 9, 9 (list; graph; listen)

	OFFSET	`0,6`
	EXAMPLE	`Distance 1 means that either 2p+1 or 2p-1 is also prime.`
	MAPLE	`with(numtheory): [seq(min(2ithprime(k)-prevprime(2ithprime(k)), nextprime(2ithprime(k))-2ithprime(k)), k=1..256)];`
	CROSSREFS	`A005382-A005385.` `Adjacent sequences: A059787 A059788 A059789 this_sequence A059791 A059792 A059793` `Sequence in context: A065547 A065551 A059441 this_sequence A130778 A016554 A046533`
	KEYWORD	`nonn`
	AUTHOR	`Labos E. (labos(AT)ana.sote.hu), Feb 22 2001`

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Last modified October 13 20:18 EDT 2008. Contains 145016 sequences.

AT&T Labs Research