a(n) is the least prime > a(n-1) whose digits do not appear in a(n-1).

Terms

a(0) =2a(1) =3a(2) =5a(3) =7a(4) =11a(5) =23a(6) =41a(7) =53a(8) =61a(9) =73a(10) =89a(11) =101a(12) =223a(13) =401a(14) =523a(15) =601a(16) =727a(17) =809a(18) =1117a(19) =2003a(20) =4111a(21) =5003a(22) =6121a(23) =7039a(24) =8111a(25) =9007a(26) =11113a(27) =20029a(28) =31147a(29) =50069