Palindromes greater than 10 whose sum of proper divisors is also a palindrome greater than 10.

Terms

a(0) =333a(1) =646a(2) =656a(3) =979a(4) =1001a(5) =3553a(6) =10801a(7) =11111a(8) =18581a(9) =31713a(10) =34943a(11) =48484a(12) =57375a(13) =95259a(14) =99099a(15) =158851a(16) =262262a(17) =569965a(18) =1173711a(19) =1216121a(20) =1399931a(21) =1439341a(22) =1502051a(23) =1925291a(24) =3203023a(25) =3436343a(26) =3659563a(27) =3662663a(28) =3803083a(29) =3888883