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 A384386 #6 Jun 09 2025 10:38:20 %S A384386 1,1,2,5,16,82,907 %N A384386 Number of integers with a shortest addition-multiplication-composition chain of length n, starting with 1 and x, i.e., number of integers k with A384384(k) = n. %C A384386 See A384383 and A384384 for details. %Y A384386 Cf. A383002 (addition and multiplication), A384383, A384384, A384385, A384485 (addition and composition). %K A384386 nonn,more %O A384386 0,3 %A A384386 _Pontus von Brömssen_, Jun 01 2025