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 A226245 #13 Jul 23 2025 05:26:39 %S A226245 1,3,4,6,7,9,12,15,18,20,24,31,35,38,41,43,48,63,77,80,81,84,87,90,96, %T A226245 115,118,121,124,135,152,157,160,165,171,174,179,184,192,223,235,253, %U A226245 269,278,286,298,311,314,320,321 %N A226245 Locations of successive record-setters (maxima) in Hofstadter's Q-sequence. %C A226245 A226244(n) = A005185(a(n)). %H A226245 Reinhard Zumkeller, <a href="/A226245/b226245.txt">Table of n, a(n) for n = 1..1000</a> %e A226245 a(8) = 15 because the first 15 terms of Hofstadter's Q-sequence are 1,1,2,3,3,4,5,5,6,6,6,8,8,8,10, and the 8th successive maximum is 10, which appears for the first time at position 15 %o A226245 (Haskell) %o A226245 a226245 n = a226245_list !! (n-1) %o A226245 -- See A226244: for definition of a226245_list. %o A226245 -- _Reinhard Zumkeller_, Jun 02 2013 %Y A226245 Cf. A005185, A226244. %K A226245 nonn %O A226245 1,2 %A A226245 _Jeffrey Shallit_, Jun 01 2013