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A135119
Integers n such that 10^n+57 is a prime number.
1
1, 2, 5, 11, 22, 30, 31, 43, 44, 64, 107, 191, 2149, 3174, 4952, 12126, 29884, 32645, 48442, 60959, 62750, 87408, 95326
OFFSET
1,2
COMMENTS
See Kamada link - primecount.txt for terms, primesize.txt for discovery details including probable or proved primes - search on "10057".
No additional terms <100000.
EXAMPLE
5 is a member because 10^5+57 = 100000+57 = 100057, which is a prime number.
KEYWORD
more,nonn
AUTHOR
Julien Peter Benney (jpbenney(AT)gmail.com), Feb 12 2008
EXTENSIONS
Four PRP terms from Sean A. Irvine, Nov 11 2009
Added term 60959. Robert Price, Mar 22 2010
Added terms 29884,32645. Robert Price, Aug 24 2010
Edited by Ray Chandler, Dec 23 2010
a(19)=48442 from Robert Price, Dec 31 2010
a(21)=62750 from Robert Price, Jan 29 2011
a(22)=87408 from Robert Price, Mar 03 2011
a(23)=95326 from Robert Price, Mar 24 2011
Deleted superseded comment. - Harvey P. Dale, Apr 23 2022
STATUS
approved