

A135113


Integers k such that 10^k + 67 is a prime number.


1



2, 4, 14, 26, 36, 60, 150, 410, 484, 972, 1942, 3694, 6926, 8582, 11930, 16076, 16276, 22820
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OFFSET

1,1


COMMENTS

The next k, if it exists, is > 100000.  Robert Price, Apr 25 2011
See Kamada link  primecount.txt for terms, primesize.txt for discovery details including probable or proved primes  search on "10067".


LINKS

Table of n, a(n) for n=1..18.
Makoto Kamada, List of nearrepdigitrelated prime numbers.
Index entries for primes involving repunits.


EXAMPLE

4 is a term: 10^4 + 67 = 10000 + 67 = 10067, which is a prime number.


CROSSREFS

Cf. A095688, A108052, A108050, A108312, A107083, A108049, A108054.
Sequence in context: A261562 A102930 A357996 * A050564 A047830 A036051
Adjacent sequences: A135110 A135111 A135112 * A135114 A135115 A135116


KEYWORD

nonn,more


AUTHOR

Julien Peter Benney (jpbenney(AT)gmail.com), Feb 12 2008


EXTENSIONS

Term 11930 from Robert Price, Mar 22 2010
Terms 1942, 3694, 6926, 8582, 16076, 16276, 22820 from Robert Price, Sep 04 2010
Edited by Ray Chandler, Dec 23 2010


STATUS

approved



