Numbers k such that 12*3^k + 1 is prime.

Terms

a(0) =0a(1) =1a(2) =2a(3) =5a(4) =13a(5) =14a(6) =38a(7) =200a(8) =248a(9) =884a(10) =1004a(11) =1253a(12) =1634a(13) =3305a(14) =3521a(15) =9601a(16) =19784a(17) =72697