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 A096499 Difference between prime following and prime preceding n-th repunit. 7
 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; refs; listen; history; text; internal format)
 OFFSET 2,1 LINKS FORMULA a(n) = A096497(n) - A096498(n) = A096869(n) + A096870(n). EXAMPLE n=2: 2nd repunit=11, 13-7=6=a[2]. MATHEMATICA <

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Last modified June 25 09:48 EDT 2019. Contains 324347 sequences. (Running on oeis4.)