OFFSET
1,2
COMMENTS
a(11) > 2*10^5. - Michael S. Branicky, Oct 23 2024
MATHEMATICA
Select[Range[0, 5000], PrimeQ[(2^# + #^3)] &] (* Vincenzo Librandi, Sep 29 2012 *)
PROG
(PARI) is(n)=ispseudoprime(2^n+n^3) \\ Charles R Greathouse IV, Jun 12 2017
KEYWORD
nonn,more
AUTHOR
Harrison Brown (nanb(AT)mindspring.com), Nov 14 2000
EXTENSIONS
a(5)-a(6) from Erich Friedman, Jun 15 2001
a(7) from Vincenzo Librandi, Sep 29 2012
a(8)-a(10) from Michael S. Branicky, Jun 14 2021
STATUS
approved