OFFSET
1,2
COMMENTS
a(5) to a(7) were certified prime with PRIMO. - Bernardo Boncompagni, Nov 07 2008
The next term (if one 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 "10073".
LINKS
EXAMPLE
8 is a member because 10^8+73 = 100000000+73 = 100000073, which is prime.
MATHEMATICA
Select[Range[1000], PrimeQ[10^# + 73] &] (* G. C. Greubel, Sep 28 2016 *)
CROSSREFS
KEYWORD
more,nonn
AUTHOR
Julien Peter Benney (jpbenney(AT)gmail.com), Feb 12 2008
EXTENSIONS
a(7) from Bernardo Boncompagni, Nov 07 2008
Added term 13015. Robert Price, Mar 22 2010
Added two terms: 3518,6211. Robert Price, Oct 10 2010
Edited by Ray Chandler, Dec 23 2010
STATUS
approved