OFFSET
1,2
COMMENTS
a(25) > 2*10^5. - Robert Price, Sep 25 2013
MATHEMATICA
Select[Range[0, 5000], PrimeQ[3^# + 8] &]
PROG
(PARI) for(n=1, 5*10^3, if(isprime(3^n+8), print1(n", ")))
CROSSREFS
KEYWORD
nonn
AUTHOR
Vincenzo Librandi, Oct 01 2012
EXTENSIONS
a(19)-a(24) from Robert Price, Sep 25 2013
STATUS
approved