A078574 - OEIS

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A078574

Number of divisors of the average of n-th twin prime pair.

3, 4, 6, 6, 8, 8, 12, 12, 8, 12, 8, 12, 18, 14, 12, 12, 20, 16, 8, 16, 12, 24, 20, 16, 12, 16, 24, 8, 8, 24, 20, 8, 18, 16, 18, 24, 16, 24, 12, 24, 24, 16, 12, 16, 16, 32, 24, 18, 16, 20, 16, 30, 12, 8, 16, 12, 30, 8, 24, 24, 16, 18, 8, 24, 28, 16, 24, 8, 30, 32, 36, 8, 24, 30, 8 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,1`
	COMMENTS	`a(n)=A000005(A014574(n)).`
	EXAMPLE	`4-th twin prime pair = (A001359(4), A006512(4)) = (17,19), hence A014574(4) = 18 with divisors = {1,2,3,6,9,18} therefore a(4) = 6.`
	CROSSREFS	`Cf. A078570, A078571.` `Sequence in context: A077542 A023836 A064800 * A162625 A033095 A158907` `Adjacent sequences: A078571 A078572 A078573 * A078575 A078576 A078577`
	KEYWORD	`nonn`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Nov 29 2002`

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Last modified February 17 06:27 EST 2012. Contains 205998 sequences.