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 A375570 #6 Aug 20 2024 11:26:36 %S A375570 0,1,2,2,4,5,3,3,8,9,4,11,12,13,4,4,16,17,18,19,20,6,22,23,24,5,26,27, %T A375570 7,29,5,5,32,33,34,35,8,37,38,39,40,6,42,43,44,9,46,47,48,49,50,51,52, %U A375570 53,54,10,6,57,58,59,60,61,6,6,64,65,11,67,68,69,70 %N A375570 Smallest m such that A008949(m,k) = n for some k. %F A375570 A008949(a(n),A375571(n)) = n. %F A375570 a(n) <= n-1. %F A375570 a(2^n) = n. %F A375570 a(2^n-1) = n for n >= 2. %Y A375570 Cf. A008949, A058084, A375571, A375572, A375573. %K A375570 nonn %O A375570 1,3 %A A375570 _Pontus von Brömssen_, Aug 19 2024