OFFSET
1,2
LINKS
Steven Harvey, Generalized Woodall Search
MATHEMATICA
Select[Range[3000], PrimeQ[# 8^# - 1] &]
PROG
(Magma) [n: n in [0..2000] | IsPrime(n*8^n-1)];
(PARI) is(n)=ispseudoprime(n*8^n-1) \\ Charles R Greathouse IV, Jun 06 2017
CROSSREFS
KEYWORD
nonn,more
AUTHOR
Vincenzo Librandi, May 09 2014
EXTENSIONS
a(13)-a(16) from Harvey's list (see Links).
STATUS
approved