Palindromes that cannot be prefixed and followed by any digit to form a prime.

Terms

a(0) =11111a(1) =60806a(2) =65356a(3) =1115111a(4) =1392931a(5) =1643461a(6) =1762671a(7) =1797971a(8) =1799971a(9) =1863681a(10) =1911191a(11) =2005002a(12) =2190912a(13) =2429242a(14) =2499942a(15) =2512152a(16) =2708072a(17) =2714172a(18) =2794972a(19) =2845482a(20) =2848482a(21) =2942492a(22) =2993992a(23) =3150513a(24) =3239323