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

Terms

a(0) =0a(1) =1a(2) =2a(3) =3a(4) =4a(5) =5a(6) =6a(7) =9a(8) =11a(9) =12a(10) =15a(11) =17a(12) =22a(13) =32a(14) =33a(15) =35a(16) =36a(17) =46a(18) =47a(19) =59a(20) =63a(21) =80a(22) =101a(23) =154a(24) =159a(25) =173a(26) =221a(27) =225a(28) =236a(29) =250