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 A172330 #9 Sep 08 2022 08:45:50
%S A172330 0,6,13,20,27,34,41,48,55,62,69,76,83,89,96,103,110,117,124,131,138,
%T A172330 145,152,159,166,173,179,186,193,200,207,214,221,228,235,242,249,256,
%U A172330 263,269,276,283,290,297,304,311,318,325,332,339,346
%N A172330 Floor(n*(sqrt(13)+sqrt(11))).
%C A172330 Also integer part of n*6.9221760658..., where the constant is the largest root of x^4 -48*x^2 +4.
%H A172330 Vincenzo Librandi, <a href="/A172330/b172330.txt">Table of n, a(n) for n = 0..1000</a>
%t A172330 With[{c = Sqrt[13] + Sqrt[11]}, Floor[c Range[0, 70]]] (* _Vincenzo Librandi_, Aug 01 2013 *)
%o A172330 (Magma) [Floor(n*(Sqrt(13)+Sqrt(11))): n in [0..60]];
%Y A172330 Cf. A110117, A172323-A172332, A172334, A172336-A172338.
%K A172330 nonn,easy,less
%O A172330 0,2
%A A172330 _Vincenzo Librandi_, Feb 01 2010