OFFSET
1,1
COMMENTS
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 "99953".
LINKS
EXAMPLE
10^3 - 47 = 953 is a prime number.
MATHEMATICA
m=1000; For[n=1, n<m, If[PrimeQ[10^n-47], Print[n]]; n++ ]
PROG
(PARI) is(n)=ispseudoprime(10^n-47) \\ Charles R Greathouse IV, Jun 13 2017
CROSSREFS
KEYWORD
more,nonn
AUTHOR
Robert Price, Dec 17 2010
EXTENSIONS
a(12:14)=41384,64862,82790 from Robert Price, Apr 25 2011
STATUS
approved