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 A383002 #10 May 02 2025 12:11:41 %S A383002 1,1,2,5,16,63,331,2239,19909,225615,3167570 %N A383002 Number of integers with a shortest addition-multiplication chain of length n. %C A383002 a(n) is the number of occurrences of n in A230697. %Y A383002 Cf. A003065, A230697, A383001. %K A383002 nonn,hard,more %O A383002 0,3 %A A383002 _Pontus von Brömssen_, Apr 12 2025