Primes with maximal digit = 2.

Terms

a(0) =2a(1) =211a(2) =1021a(3) =1201a(4) =2011a(5) =2111a(6) =2221a(7) =10211a(8) =12011a(9) =12101a(10) =12211a(11) =20011a(12) =20021a(13) =20101a(14) =20201a(15) =21001a(16) =21011a(17) =21101a(18) =21121a(19) =21211a(20) =21221a(21) =22111a(22) =101021a(23) =101221a(24) =102001a(25) =102101a(26) =102121a(27) =110221a(28) =111121a(29) =111211