id:A096499 - OEIS Search Results

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Difference between prime following and prime preceding n-th repunit.

+0
8

6, 4, 8, 20, 10, 60, 16, 4, 24, 54, 46, 46, 70, 176, 84, 12, 40, 134, 104, 104, 92, 24, 84, 270, 300, 130, 414, 90, 88, 240, 148, 198, 12, 64, 12, 300, 66, 70, 80, 102, 420, 142, 630, 140, 600, 88, 176, 312, 80, 96, 460, 132, 420, 284, 144, 408, 312, 180, 44, 300 (list; graph; listen)

	OFFSET	`2,1`
	FORMULA	`a(n) = A096497(n) - A096498(n) = A096869(n) + A096870(n).`
	EXAMPLE	`n=2: 2nd repunit=11, 13-7=6=a[2].`
	MATHEMATICA	<<NumberTheory`NumberTheoryFunctions` Table[NextPrime[(10^n-1)/9]-PreviousPrime[(10^n-1)/9], {n, 2, 100}]
	CROSSREFS	`Cf. A068693, A002275, A096497, A096498.` `Sequence in context: A035415 A077669 A019774 this_sequence A021158 A019931 A113276` `Adjacent sequences: A096496 A096497 A096498 this_sequence A096500 A096501 A096502`
	KEYWORD	`nonn`
	AUTHOR	`Labos E. (labos(AT)ana.sote.hu), Jul 09 2004`

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Last modified July 23 17:35 EDT 2008. Contains 142285 sequences.

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