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 A068062 #3 Mar 30 2012 17:27:34 %S A068062 0,2,4,6,8,11,22,33,44,55,66,77,88,99,101,121,141,161,181,202,222,242, %T A068062 262,282,303,323,343,363,383,404,424,444,464,484,505,525,545,565,585, %U A068062 606,626,646,666,686,707,727,747,767,787,808,828,848,868,888,909,929 %N A068062 Palindromes n of the form k + reverse(k) for at least one k. %C A068062 Intersection of A002113 and A067030. %e A068062 33 belongs to this sequence, since 12 + 21 = 33 (cf. A067030). %Y A068062 Cf. A002113, A067030, A068061. %K A068062 base,easy,nonn %O A068062 1,2 %A A068062 _Klaus Brockhaus_, Feb 15 2002