Primes with distinct prime digits.

Terms

a(0) =2a(1) =3a(2) =5a(3) =7a(4) =23a(5) =37a(6) =53a(7) =73a(8) =257a(9) =523a(10) =2357a(11) =2753a(12) =3257a(13) =3527a(14) =5237a(15) =5273a(16) =7253a(17) =7523