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A096497 Prime following n-th repunit. 17
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

Table of n, a(n) for n=1..22.

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

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 June 15 16:13 EDT 2019. Contains 324142 sequences. (Running on oeis4.)