A062287 Palindromic numbers with even digits.

0, 2, 4, 6, 8, 22, 44, 66, 88, 202, 222, 242, 262, 282, 404, 424, 444, 464, 484, 606, 626, 646, 666, 686, 808, 828, 848, 868, 888, 2002, 2222, 2442, 2662, 2882, 4004, 4224, 4444, 4664, 4884, 6006, 6226, 6446, 6666, 6886, 8008, 8228, 8448, 8668

Offset: 1

Author

Amarnath Murthy, Jun 18 2001

Keywords

• nonn
• base
• easy
• changed

Comments

Any of these numbers divided by 2 is also palindromic. - Giovanni Teofilatto, Feb 23 2012

Examples

			246848642 is a palindrome with all even digits hence is a member of this sequence.
		

Links

• Vincenzo Librandi, Table of n, a(n) for n = 1..1200

Crossrefs

Subsequence of A002113.

Programs

Mathematica

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 *)

Extensions

Corrected and extended by Dean Hickerson, Jul 10 2001