1,3

(PARI) for(n=0, 300, if(isprime(13^n+4), print1(n", ")))

Adjacent sequences: A137233 A137234 A137235 this_sequence A137237 A137238 A137239

Sequence in context: A133931 A050895 A097022 this_sequence A124198 A032426 A096184

nonn

Jason Earls (zevi_35711(AT)yahoo.com), Mar 08 2008