id:A078573 - OEIS Search Results

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Maximal exponent in prime factorization of the average of n-th twin prime pair.

+0
1

2, 1, 2, 2, 1, 1, 2, 3, 1, 3, 1, 2, 2, 6, 2, 2, 4, 3, 1, 3, 2, 2, 4, 1, 2, 1, 3, 1, 1, 2, 4, 1, 2, 1, 2, 2, 3, 2, 2, 2, 7, 1, 2, 1, 1, 3, 2, 2, 1, 4, 3, 4, 2, 1, 1, 2, 4, 1, 2, 2, 3, 2, 1, 3, 6, 1, 2, 1, 4, 1, 2, 1, 2, 5, 1, 7, 3, 1, 2, 1, 3, 3, 4, 5, 2, 2, 2, 2, 5, 2, 1, 1, 2, 3, 2, 1, 2, 3, 3, 2, 2, 1, 1, 1, 2 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`a(n)=A051903(A014574(n)).`
	EXAMPLE	`10-th twin prime pair = (A001359(10), A006512(10)) = (107,109), hence A014574(10) = 108 = 2^2 * 3^2, therefore a(10) = 3.`
	CROSSREFS	`Cf. A078570, A078572.` `Adjacent sequences: A078570 A078571 A078572 this_sequence A078574 A078575 A078576` `Sequence in context: A054350 A026606 A095955 this_sequence A143786 A035176 A011793`
	KEYWORD	`nonn`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Nov 29 2002`

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Last modified October 5 16:50 EDT 2008. Contains 144613 sequences.

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