Palindromic primes in the sense of A007500 with digits '0', '1' and '3' only.

Terms

a(0) =3a(1) =11a(2) =13a(3) =31a(4) =101a(5) =113a(6) =131a(7) =311a(8) =313a(9) =1031a(10) =1033a(11) =1103a(12) =1301a(13) =3011a(14) =3301a(15) =10301a(16) =10333a(17) =11003a(18) =11311a(19) =13331a(20) =30011a(21) =30103a(22) =31013a(23) =31033a(24) =33013a(25) =33301a(26) =101333a(27) =110311a(28) =113011a(29) =113131