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 A043026 #11 Aug 22 2021 22:16:23 %S A043026 6,54,390,398,406,414,422,430,438,446,3078,3150,3222,3294,3366,3438, %T A043026 3510,3582,24582,24646,24710,24774,24838,24902,24966,25030,25102, %U A043026 25166,25230,25294,25358,25422,25486,25550,25622,25686 %N A043026 Base-8 palindromes that start with 6. %Y A043026 Cf. A007094, A029803, A043070. %K A043026 nonn,base %O A043026 1,1 %A A043026 _Clark Kimberling_