Palindromes expressible as the sum of 3 consecutive palindromes.

Terms

a(0) =6a(1) =9a(2) =66a(3) =99a(4) =333a(5) =363a(6) =393a(7) =636a(8) =666a(9) =696a(10) =939a(11) =969a(12) =999a(13) =3333a(14) =3663a(15) =3993a(16) =6336a(17) =6666a(18) =6996a(19) =9339a(20) =9669a(21) =9999a(22) =30303a(23) =30603a(24) =30903a(25) =33333a(26) =33633a(27) =33933a(28) =36363a(29) =36663