Primes not of form | 3^a +- 2^b | where a, b are nonnegative integers.

Terms

a(0) =53a(1) =71a(2) =103a(3) =107a(4) =109a(5) =149a(6) =151a(7) =157a(8) =163a(9) =167a(10) =173a(11) =181a(12) =191a(13) =193a(14) =197a(15) =199a(16) =223a(17) =233a(18) =263a(19) =271a(20) =277a(21) =281a(22) =293a(23) =311a(24) =313a(25) =317a(26) =331a(27) =347a(28) =349a(29) =353