Palindromes that start with 4.

Terms

a(0) =4a(1) =44a(2) =404a(3) =414a(4) =424a(5) =434a(6) =444a(7) =454a(8) =464a(9) =474a(10) =484a(11) =494a(12) =4004a(13) =4114a(14) =4224a(15) =4334a(16) =4444a(17) =4554a(18) =4664a(19) =4774a(20) =4884a(21) =4994a(22) =40004a(23) =40104a(24) =40204a(25) =40304a(26) =40404a(27) =40504a(28) =40604a(29) =40704