%I #7 Oct 21 2023 11:28:10
%S 4,24,104,109,114,119,124,504,534,564,594,624,2504,2529,2554,2579,
%T 2604,2634,2659,2684,2709,2734,2764,2789,2814,2839,2864,2894,2919,
%U 2944,2969,2994,3024,3049,3074,3099,3124,12504,12654
%N Base-5 palindromes that start with 4.
%t Select[Range[13000],IntegerDigits[#,5]==Reverse[IntegerDigits[#,5]]&&IntegerDigits[#,5][[1]] == 4&] (* _Harvey P. Dale_, Oct 21 2023 *)
%K nonn,base
%O 1,1
%A _Clark Kimberling_