Primes p such that p's set of distinct digits is {1,7,9}.

Terms

a(0) =179a(1) =197a(2) =719a(3) =971a(4) =1979a(5) =1997a(6) =7919a(7) =9719a(8) =9791a(9) =11197a(10) =11719a(11) =11779a(12) =11971a(13) =17191a(14) =17791a(15) =17911a(16) =17971a(17) =17977a(18) =19717a(19) =19777a(20) =19979a(21) =19997a(22) =71119a(23) =71191a(24) =71719a(25) =71917a(26) =71971a(27) =71999a(28) =77191a(29) =77719