This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A062287 #19 Aug 24 2025 23:28:11
%S A062287 0,2,4,6,8,22,44,66,88,202,222,242,262,282,404,424,444,464,484,606,
%T A062287 626,646,666,686,808,828,848,868,888,2002,2222,2442,2662,2882,4004,
%U A062287 4224,4444,4664,4884,6006,6226,6446,6666,6886,8008,8228,8448,8668
%N A062287 Palindromic numbers with even digits.
%C A062287 Any of these numbers divided by 2 is also palindromic. - _Giovanni Teofilatto_, Feb 23 2012
%H A062287 Vincenzo Librandi, <a href="/A062287/b062287.txt">Table of n, a(n) for n = 1..1200</a>
%e A062287 246848642 is a palindrome with all even digits hence is a member of this sequence.
%t A062287 palindromicQ[n_, b_:10] := TrueQ[IntegerDigits[n, b] == Reverse[IntegerDigits[n, b]]]; Select[Range[2, 10^4, 2], palindromicQ[#] && Plus@@Drop[DigitCount[#], {2, 10, 2}] == 0 &] (* _Alonso del Arte_, Feb 23 2012 *)
%Y A062287 Subsequence of A002113.
%K A062287 nonn,base,easy,changed
%O A062287 1,2
%A A062287 _Amarnath Murthy_, Jun 18 2001
%E A062287 Corrected and extended by _Dean Hickerson_, Jul 10 2001