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 A071272 #6 Jul 07 2024 17:53:07 %S A071272 1,2,3,4,5,6,7,8,9,101,111,121,131,141,151,161,171,181,202,212,222, %T A071272 232,242,252,262,272,303,313,323,333,343,353,363,404,414,424,434,444, %U A071272 454,505,515,525,535,545,606,616,626,636,707,717,727,808,818,909,10001 %N A071272 Palindromes in A066492. %Y A071272 Cf. A056524, A066492. %K A071272 nonn,base %O A071272 1,2 %A A071272 _Amarnath Murthy_, Jun 07 2002 %E A071272 More terms from _Sean A. Irvine_, Jul 07 2024