1,3
(PARI) for(n=0, 300, if(isprime(13^n+4), print1(n", ")))
Sequence in context: A050895 A184426 A097022 * A124198 A032426 A195957
Adjacent sequences: A137233 A137234 A137235 * A137237 A137238 A137239
nonn
Jason Earls (zevi_35711(AT)yahoo.com), Mar 08 2008