OFFSET
1,1
COMMENTS
Terms 639 and 912 correspond to certified primes (Primo 2.2.0 beta). - Ryan Propper, Jul 12 2005
No other terms < 40000.
See Kamada link - primecount.txt for terms, primesize.txt for discovery details including probable or proved primes - search on "99983".
No other terms < 100,000. - Robert Price, Mar 03 2011
LINKS
EXAMPLE
If n = 3 we have 10^3-17 = 1000-17 = 983, which is prime.
CROSSREFS
KEYWORD
more,nonn
AUTHOR
Julien Peter Benney (jpbenney(AT)ftml.net), Jun 30 2005
EXTENSIONS
a(14)-a(15) from Robert Price, Dec 11 2010
Edited by Ray Chandler, Dec 23 2010
STATUS
approved