OFFSET
1,2
COMMENTS
All terms have been certified. Primality proof for the largest: PFGW Version 1.2.0 for Windows [FFT v23.8] Primality testing 22*10^12590+1 [N-1, Brillhart-Lehmer-Selfridge] Running N-1 test using base 3 Calling Brillhart-Lehmer-Selfridge with factored part 69.89% 22*10^12590+1 is prime! (47.5292s+0.3107s)
No more terms up to 31000.
No more terms up to 50000. - Michael S. Branicky, Oct 11 2024
PROG
(PARI) is(n)=ispseudoprime(22*10^n+1) \\ Charles R Greathouse IV, Jun 13 2017
CROSSREFS
KEYWORD
more,nonn
AUTHOR
Jason Earls, Aug 26 2005
EXTENSIONS
0 added by Arkadiusz Wesolowski, Oct 27 2011
STATUS
approved