OFFSET
1,1
COMMENTS
a(11) > 2*10^5.
FORMULA
PROG
(PARI) v=[1, 0, 1]; for(n=4, 1e4, if(ispseudoprime(t=v[1]+v[2]+v[3]), print1(n", ")); v=[v[2], v[3], t]) \\ Charles R Greathouse IV, Nov 18 2013
CROSSREFS
KEYWORD
nonn,more
AUTHOR
Robert Price, Nov 18 2013
EXTENSIONS
Name clarified by Arthur O'Dwyer, Jul 24 2024
STATUS
approved