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 A144916 #11 Sep 26 2023 03:26:15
%S A144916 4,7,16,36,64,100,144,196,256,324,400,484,576,676,784,900,1024,1156,
%T A144916 1296,1444,1600,1764,1936,2116,2304,2500,2704,2916,3136,3364,3600,
%U A144916 3844,4096,4356,4624,4900,5184,5476,5776,6084,6400,6724,7056,7396,7744,8100
%N A144916 Integers k for which |A144912| attains a new maximal odd value.
%C A144916 Except for 7, all of these are even squares (A016742). For 7, the new maximum occurs in base 2 and for the rest it occurs in base sqrt(n).
%H A144916 Paolo Xausa, <a href="/A144916/b144916.txt">Table of n, a(n) for n = 1..10000</a>
%H A144916 <a href="/index/Rec#order_03">Index entries for linear recurrences with constant coefficients</a>, signature (3,-3,1).
%t A144916 LinearRecurrence[{3,-3,1},{4,7,16,36,64},100] (* _Paolo Xausa_, Sep 26 2023 *)
%o A144916 (PARI) a(n) = if(n>2, 4*(n-1)^2, 1+3*n); \\ _Jinyuan Wang_, Jul 21 2020
%Y A144916 Cf. A016742, A144912.
%K A144916 nonn,easy
%O A144916 1,1
%A A144916 _Reikku Kulon_, Sep 25 2008