A043009 Base-5 palindromes that start with 4.

4, 24, 104, 109, 114, 119, 124, 504, 534, 564, 594, 624, 2504, 2529, 2554, 2579, 2604, 2634, 2659, 2684, 2709, 2734, 2764, 2789, 2814, 2839, 2864, 2894, 2919, 2944, 2969, 2994, 3024, 3049, 3074, 3099, 3124, 12504, 12654

Offset

1,1

Links

Table of n, a(n) for n=1..39.

Mathematica

Select[Range[13000], IntegerDigits[#, 5]==Reverse[IntegerDigits[#, 5]]&&IntegerDigits[#, 5][[1]] == 4&] (* Harvey P. Dale, Oct 21 2023 *)

Crossrefs

Sequence in context: A052462 A260217 A048806 * A355798 A368815 A006736

Adjacent sequences: A043006 A043007 A043008 * A043010 A043011 A043012

Keyword

nonn,base

Author

Clark Kimberling

Status

approved