Primes whose decimal digits are in ascending order and also parity alternating.

Terms

a(0) =2a(1) =3a(2) =5a(3) =7a(4) =23a(5) =29a(6) =47a(7) =67a(8) =89a(9) =127a(10) =149a(11) =167a(12) =347a(13) =349a(14) =367a(15) =389a(16) =569a(17) =2347a(18) =2389a(19) =2789a(20) =4567a(21) =4789a(22) =12347a(23) =12569a(24) =12589a(25) =34589a(26) =234589a(27) =1234789a(28) =1456789a(29) =23456789