id:A060268 - OEIS Search Results

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Distance of 2n from the closest prime.

+0
8

1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 3, 1, 1, 1, 3, 1, 1, 1, 1, 1, 1, 1, 3, 1, 1, 3, 1, 1, 1, 3, 1, 1, 1, 1, 1, 3, 1, 1, 1, 1, 3, 1, 1, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 3, 5, 7, 5, 3, 1, 1, 1, 1, 3, 1, 1, 1, 3, 5, 3, 1, 1, 1, 3, 1, 1, 3, 1, 1, 1, 1, 3, 1, 1, 3, 1, 1, 1, 3, 5, 3, 1, 1, 1, 1, 1, 1, 3, 5, 5, 3, 1, 1 (list; graph; listen)

	OFFSET	`2,12`
	FORMULA	`with(numtheory): [seq(min(nextprime(2i)-2i, 2i-prevprime(2i)), i=2...256)];`
	EXAMPLE	`n=13, 2n=26 surrounded by 23 and 29 which are from 26 in equal distance of 3 and min{3,3}=3=a(13).`
	CROSSREFS	`A020482, A049653, A051702, A059970, A059959.` `Adjacent sequences: A060265 A060266 A060267 this_sequence A060269 A060270 A060271` `Sequence in context: A039993 A075053 A007362 this_sequence A030328 A093148 A069292`
	KEYWORD	`nonn`
	AUTHOR	`Labos E. (labos(AT)ana.sote.hu), Mar 23 2001`

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Last modified May 16 01:24 EDT 2008. Contains 139630 sequences.

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