Primes not of form | 3^x - 2^y |.

Terms

a(0) =41a(1) =43a(2) =53a(3) =59a(4) =67a(5) =71a(6) =83a(7) =89a(8) =97a(9) =103a(10) =107a(11) =109a(12) =113a(13) =131a(14) =137a(15) =149a(16) =151a(17) =157a(18) =163a(19) =167a(20) =173a(21) =181a(22) =191a(23) =193a(24) =197a(25) =199a(26) =223a(27) =233a(28) =251a(29) =257