A029951 Even palindromes.

0, 2, 4, 6, 8, 22, 44, 66, 88, 202, 212, 222, 232, 242, 252, 262, 272, 282, 292, 404, 414, 424, 434, 444, 454, 464, 474, 484, 494, 606, 616, 626, 636, 646, 656, 666, 676, 686, 696, 808, 818, 828, 838, 848, 858, 868, 878, 888, 898, 2002, 2112, 2222

Offset: 1

Author

Patrick De Geest

Keywords

• nonn
• base

Links

• John Cerkan, Table of n, a(n) for n = 1..10000
• Patrick De Geest, World!Of Numbers

Crossrefs

Cf. A002113 (superset), A062287 (subset), A367807 (halved).

Cf. A045638, A045639, A043040, A045641, A045642, A045643, A045644, A083852.

Programs

Mathematica

palindromicQ[n_, b_:10] := TrueQ[IntegerDigits[n, b] == Reverse[IntegerDigits[n, b]]]; Select[Range[2, 10^4, 2], palindromicQ[#] &] (* Alonso del Arte, Feb 23 2012 *)
Select[Range[0, 2222, 2], PalindromeQ] (* Michael De Vlieger, May 12 2017, Version 10.3 *)