A096497 - OEIS

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A096497

Prime following n-th repunit.

2, 13, 113, 1117, 11113, 111119, 1111151, 11111117, 111111113, 1111111121, 11111111113, 111111111149, 1111111111139, 11111111111123, 111111111111229, 1111111111111123, 11111111111111119, 111111111111111131, 1111111111111111171, 11111111111111111131, 111111111111111111157, 1111111111111111111189 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,1`
	COMMENTS	`Not equal to A068693: first and 2nd terms differ.`
	LINKS	`Chai Wah Wu, Table of n, a(n) for n = 1..1000`
	FORMULA	`a(n) = A002275(n) + A096869(n) = A096498(n) + A096499(n).`
	MATHEMATICA	`Table[NextPrime[(10^n-1)/9], {n, 40}]`
	PROG	`(PARI) a(n) = nextprime((10^n-1)/9 + 1); \\ Michel Marcus, May 02 2016` `(Python)` `from sympy import nextprime` `def A096497(n):` `return nextprime((10**n-1)//9) # Chai Wah Wu, Nov 04 2019`
	CROSSREFS	`Cf. A068693, A002275.` `Sequence in context: A046811 A046813 A208316 * A247153 A088604 A127891` `Adjacent sequences: A096494 A096495 A096496 * A096498 A096499 A096500`
	KEYWORD	`nonn`
	AUTHOR	`Labos Elemer, Jul 09 2004`
	STATUS	`approved`

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Last modified March 3 04:02 EST 2021. Contains 341756 sequences. (Running on oeis4.)