cp's OEIS Frontend

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.

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.

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%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