(2,3,5,7)-primes (see comments for precise definition).

Terms

a(0) =2a(1) =173a(2) =181a(3) =233a(4) =443a(5) =877a(6) =967a(7) =1373a(8) =1831a(9) =4001a(10) =4231a(11) =4663a(12) =8191a(13) =8753a(14) =9043a(15) =10333a(16) =10631a(17) =13537a(18) =14591a(19) =16931a(20) =18211a(21) =25411a(22) =32707a(23) =32843a(24) =33637a(25) =37573a(26) =54773a(27) =56167a(28) =63853a(29) =64513