id:A029854 - OEIS Search Results

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gcd(prime(n)+prime(n+1), prime(n+1)+prime(n+2)).

+0
2

1, 4, 6, 6, 6, 6, 6, 2, 4, 4, 2, 6, 6, 10, 4, 8, 8, 2, 6, 8, 2, 2, 2, 6, 6, 6, 6, 6, 6, 6, 2, 4, 12, 12, 4, 4, 10, 10, 4, 8, 12, 12, 6, 6, 2, 2, 2, 6, 6, 2, 8, 12, 4, 4, 4, 4, 4, 2, 6, 12, 24, 6, 6, 6, 18, 4, 4, 12, 6, 2, 2, 2, 4, 2, 2, 2, 6, 6, 18, 12, 12, 12, 8 (list; graph; listen)

	OFFSET	`1,2`
	COMMENT	`a(n) = gcd(A001043(n), A001043(n+1)).`
	EXAMPLE	`a(20) = gcd(71+73, 73+79) = gcd(144,152) = 8*gcd(18,19) = 8.`
	CROSSREFS	`Sequence in context: A081261 A046262 A147862 this_sequence A141328 A035551 A087573` `Adjacent sequences: A029851 A029852 A029853 this_sequence A029855 A029856 A029857`
	KEYWORD	`nonn`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Feb 14, 2002`

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

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