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 A145736 #8 Jun 02 2025 00:41:07 %S A145736 1,3,5,6,7,30 %N A145736 Indices of palindromes in A033650. %C A145736 The next term (if it exists) is greater than 100000. %C A145736 These are actually indices into A033650 right-shifted; A033650 has offset 0, but this sequence treats it as having offset 1. %Y A145736 A033650 %K A145736 nonn,base %O A145736 1,2 %A A145736 _Dmitry Kamenetsky_, Oct 17 2008