Primes of the form 2^j - 3^k, for j >= 0, k >= 0.

Terms

a(0) =3a(1) =5a(2) =7a(3) =13a(4) =23a(5) =29a(6) =31a(7) =37a(8) =47a(9) =61a(10) =101a(11) =127a(12) =229a(13) =269a(14) =431a(15) =503a(16) =509a(17) =997a(18) =1021a(19) =1319a(20) =2039a(21) =3853a(22) =4093a(23) =7949a(24) =8111a(25) =8191a(26) =14197a(27) =16141a(28) =16381a(29) =32687