id:A107294 - OEIS Search Results

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GCD of (n + prime(n)) and (n + 1 + prime(n+1)).

+0
1

1, 1, 1, 1, 1, 1, 3, 1, 1, 3, 7, 1, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 5, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 3, 1, 1, 1, 1, 1, 3, 1, 1, 3, 1, 1, 1, 1, 1, 7, 1, 1, 1, 5, 5, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 5, 3, 1, 1, 1, 1, 1, 1, 1, 1, 5, 1, 1, 1, 1, 5, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 (list; graph; listen)

	OFFSET	`1,7`
	EXAMPLE	`a(139) = 13 because {(139 + prime(139)), (140 + prime(140))} = {936, 949} ={1372,1373}.`
	MATHEMATICA	`Table[GCD[n+Prime[n], n+1+Prime[n+1]], {n, 150}]`
	CROSSREFS	`Sequence in context: A089312 A125127 A058735 this_sequence A140211 A097706 A132740` `Adjacent sequences: A107291 A107292 A107293 this_sequence A107295 A107296 A107297`
	KEYWORD	`nonn`
	AUTHOR	`Zak Seidov (zakseidov(AT)yahoo.com), May 20 2005`

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Last modified December 4 15:51 EST 2008. Contains 151308 sequences.

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