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.

A384484 Smallest number with shortest addition-composition chain of length n, starting with 1 and x, i.e., smallest k such that A384483(k) = n.

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%I A384484 #7 Jun 09 2025 10:38:08
%S A384484 1,2,3,5,7,11,19,70,167,1239,7123
%N A384484 Smallest number with shortest addition-composition chain of length n, starting with 1 and x, i.e., smallest k such that A384483(k) = n.
%C A384484 See A384480 and A384483 for details.
%Y A384484 Cf. A003064 (addition only), A383001 (addition and multiplication), A384385 (addition, multiplication, and composition), A384480, A384481, A384483, A384485.
%K A384484 nonn,more
%O A384484 0,2
%A A384484 _Pontus von Brömssen_, Jun 02 2025