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 A130541 #9 Aug 28 2023 11:27:34 %S A130541 1,3,1,6,1,1,10,3,1,1,15,3,1,1,1,21,6,3,1,1,1,28,6,3,1,1,1,1,36,10,3, %T A130541 3,1,1,1,1,45,10,6,3,1,1,1,1,1 %N A130541 Duplicate of A128489. %C A130541 Duplicate of A128489. - _Georg Fischer_, Aug 27 2023 %Y A130541 Cf. A128489. %K A130541 dead %O A130541 1,2