Numbers k such that 13*3^k + 2 is prime.

Terms

a(0) =1a(1) =3a(2) =6a(3) =7a(4) =11a(5) =29a(6) =106a(7) =111a(8) =138a(9) =966a(10) =1203a(11) =2719a(12) =3357a(13) =11445a(14) =15066a(15) =16837a(16) =36750a(17) =77439a(18) =80133