Numbers k such that 2*(3^k-2*k)+1 is prime.

Terms

a(0) =1a(1) =2a(2) =3a(3) =5a(4) =11a(5) =188a(6) =509a(7) =1730a(8) =2571a(9) =3402a(10) =4407a(11) =9890a(12) =18609a(13) =20456a(14) =32529a(15) =38124a(16) =95087