Primes whose digits do not appear in three previous terms.

Terms

a(0) =2a(1) =3a(2) =5a(3) =7a(4) =11a(5) =23a(6) =59a(7) =67a(8) =101a(9) =223a(10) =449a(11) =557a(12) =601a(13) =823a(14) =4999a(15) =5557a(16) =6011a(17) =8233a(18) =9949a(19) =57557a(20) =60101a(21) =82223a(22) =94949a(23) =555557a(24) =600011a(25) =822223a(26) =994949a(27) =5555777a(28) =6000011a(29) =8222323