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 A383001 #12 May 02 2025 12:12:02 %S A383001 1,2,3,5,7,13,23,59,211,619,4282,25819 %N A383001 Smallest number with shortest addition-multiplication chain of length n. %C A383001 Indices of records in A230697. %F A383001 A230697(a(n)) = n. %Y A383001 Cf. A003064, A230697, A383002. %K A383001 nonn,nice,hard,more %O A383001 0,2 %A A383001 _Pontus von Brömssen_, Apr 12 2025